Daniel E Crocker - Publications

Affiliations: 
Sonoma State University, Rohnert Park, CA, United States 
Area:
Comparative Physiology, Endocrinology, Wildlife Ecology

176 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2023 Avalos JG, Piotrowski ER, Northey AD, Crocker DE, Khudyakov JI. Intracellular negative feedback mechanisms in blubber and muscle moderate acute stress responses in fasting seals. The Journal of Experimental Biology. PMID 38009222 DOI: 10.1242/jeb.246694  0.742
2023 Kashiwabara L, Pirard L, Debier C, Crocker D, Khudyakov J. Effects of cortisol, epinephrine, and bisphenol contaminants on the transcriptional landscape of marine mammal blubber. American Journal of Physiology. Regulatory, Integrative and Comparative Physiology. PMID 37602383 DOI: 10.1152/ajpregu.00165.2023  0.74
2023 Holser RR, Crocker DE, Favilla AR, Adachi T, Keates TR, Naito Y, Costa DP. Effects of disease on foraging behaviour and success in an individual free-ranging northern elephant seal. Conservation Physiology. 11: coad034. PMID 37250476 DOI: 10.1093/conphys/coad034  0.821
2023 Northey AD, Holser RR, Shipway GT, Costa DP, Crocker DE. Adrenal response to ACTH challenge alters thyroid and immune function and varies with body reserves in molting adult female northern elephant seals. American Journal of Physiology. Regulatory, Integrative and Comparative Physiology. PMID 37125769 DOI: 10.1152/ajpregu.00277.2022  0.788
2023 Kendall-Bar JM, Williams TM, Mukherji R, Lozano DA, Pitman JK, Holser RR, Keates T, Beltran RS, Robinson PW, Crocker DE, Adachi T, Lyamin OI, Vyssotski AL, Costa DP. Brain activity of diving seals reveals short sleep cycles at depth. Science (New York, N.Y.). 380: 260-265. PMID 37079694 DOI: 10.1126/science.adf0566  0.763
2023 Peterson SH, Ackerman JT, Holser RR, McDonald BI, Costa DP, Crocker DE. Mercury Bioaccumulation and Cortisol Interact to Influence Endocrine and Immune Biomarkers in a Free-Ranging Marine Mammal. Environmental Science & Technology. PMID 36996077 DOI: 10.1021/acs.est.2c08974  0.792
2023 Beltran RS, Hernandez KM, Condit R, Robinson PW, Crocker DE, Goetsch C, Kilpatrick AM, Costa DP. Physiological tipping points in the relationship between foraging success and lifetime fitness of a long-lived mammal. Ecology Letters. PMID 36888564 DOI: 10.1111/ele.14193  0.813
2022 Arango BG, Ensminger DC, Moreno-Santillán DD, Harfush-Meléndez M, López-Reyes EM, Marmolejo-Valencia JA, Merchant-Larios H, Crocker DE, Vázquez-Medina JP. Oxidative Stress Is a Potential Cost of Synchronous Nesting in Olive Ridley Sea Turtles. Antioxidants (Basel, Switzerland). 11. PMID 36139846 DOI: 10.3390/antiox11091772  0.77
2022 Charapata P, Clark CT, Miller N, Kienle SS, Costa DP, Goebel ME, Gunn H, Sperou ES, Kanatous SB, Crocker DE, Borras-Chavez R, Trumble SJ. Whiskers provide time-series of toxic and essential trace elements, Se:Hg molar ratios, and stable isotope values of an apex Antarctic predator, the leopard seal. The Science of the Total Environment. 158651. PMID 36096211 DOI: 10.1016/j.scitotenv.2022.158651  0.797
2022 Beltran RS, Yuen AL, Condit R, Robinson PW, Czapanskiy MF, Crocker DE, Costa DP. Elephant seals time their long-distance migrations using a map sense. Current Biology : Cb. 32: R156-R157. PMID 35231406 DOI: 10.1016/j.cub.2022.01.031  0.796
2022 Khudyakov JI, Holser RR, Vierra CA, Ly ST, Niel TK, Hasan BM, Crocker DE, Costa DP. Changes in apolipoprotein abundance dominate proteome responses to prolonged fasting in elephant seals. The Journal of Experimental Biology. 225. PMID 35188212 DOI: 10.1242/jeb.243572  0.803
2022 Kienle SS, Friedlaender AS, Crocker DE, Mehta RS, Costa DP. Trade-offs between foraging reward and mortality risk drive sex-specific foraging strategies in sexually dimorphic northern elephant seals. Royal Society Open Science. 9: 210522. PMID 35116140 DOI: 10.1098/rsos.210522  0.736
2021 Piotrowski ER, Tift MS, Crocker DE, Pearson AB, Vázquez-Medina JP, Keith AD, Khudyakov JI. Ontogeny of Carbon Monoxide-Related Gene Expression in a Deep-Diving Marine Mammal. Frontiers in Physiology. 12: 762102. PMID 34744798 DOI: 10.3389/fphys.2021.762102  0.786
2021 Holser RR, Crocker DE, Robinson PW, Condit R, Costa DP. Density-dependent effects on reproductive output in a capital breeding carnivore, the northern elephant seal (). Proceedings. Biological Sciences. 288: 20211258. PMID 34641731 DOI: 10.1098/rspb.2021.1258  0.803
2021 Ensminger DC, Crocker DE, Lam EK, Kaitlin AN, Vázquez-Medina JP. Repeated stimulation of the HPA axis alters white blood cell counts without increasing oxidative stress or inflammatory cytokines in fasting elephant seal pups. The Journal of Experimental Biology. PMID 34524449 DOI: 10.1242/jeb.243198  0.75
2021 Torres-Velarde JM, Kolora SRR, Khudyakov JI, Crocker DE, Sudmant PH, Vazquez-Medina JP. Elephant seal muscle cells adapt to sustained glucocorticoid exposure by shifting their metabolic phenotype. American Journal of Physiology. Regulatory, Integrative and Comparative Physiology. PMID 34260302 DOI: 10.1152/ajpregu.00052.2021  0.716
2021 DeRango EJ, Schwarz JFL, Piedrahita P, Páez-Rosas D, Crocker DE, Krüger O. Hormone-mediated foraging strategies in an uncertain environment: Insights into the at-sea behavior of a marine predator. Ecology and Evolution. 11: 7579-7590. PMID 34188836 DOI: 10.1002/ece3.7590  0.824
2021 Rzucidlo CL, Sperou ES, Holser RR, Khudyakov JI, Costa DP, Crocker DE. Changes in serum adipokines during natural extended fasts in female northern elephant seals. General and Comparative Endocrinology. 113760. PMID 33781740 DOI: 10.1016/j.ygcen.2021.113760  0.797
2021 Beltran RS, Kendall-Bar JM, Pirotta E, Adachi T, Naito Y, Takahashi A, Cremers J, Robinson PW, Crocker DE, Costa DP. Lightscapes of fear: How mesopredators balance starvation and predation in the open ocean. Science Advances. 7. PMID 33731347 DOI: 10.1126/sciadv.abd9818  0.799
2020 Debier C, Pirard L, Verhaegen M, Rzucidlo C, Tinant G, Dewulf C, Larondelle Y, Smith DR, Rees JF, Crocker DE. Lipolysis and Leptin Production of Elephant Seal Blubber Using Precision-Cut Adipose Tissue Slices. Frontiers in Physiology. 11: 615784. PMID 33362587 DOI: 10.3389/fphys.2020.615784  0.802
2020 DeRango EJ, Schwarz JFL, Zenth F, Piedrahita P, Páez-Rosas D, Crocker DE, Krüger O. Developmental conditions promote individual differentiation of endocrine axes and behavior in a tropical pinniped. Oecologia. PMID 33340345 DOI: 10.1007/s00442-020-04815-5  0.818
2020 Kroeger CE, Crocker DE, Orben RA, Thompson DR, Torres LG, Sagar PM, Sztukowski LA, Andriese T, Costa DP, Shaffer SA. Similar foraging energetics of two sympatric albatrosses despite contrasting life histories and wind-mediated foraging strategies. The Journal of Experimental Biology. 223. PMID 33268565 DOI: 10.1242/jeb.228585  0.712
2020 Arango BG, Harfush-Meléndez M, Marmolejo-Valencia JA, Merchant-Larios H, Crocker DE. Blood oxygen stores of olive ridley sea turtles, Lepidochelys olivacea are highly variable among individuals during arribada nesting. Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology. PMID 33064209 DOI: 10.1007/s00360-020-01321-1  0.333
2020 Delehanty B, Bossart GD, Champagne C, Crocker DE, Elliott KH, Fair PA, Houser D, Newman AEM, Boonstra R. Measurement of free glucocorticoids: quantifying corticosteroid binding capacity and its variation within and among mammal and bird species. Conservation Physiology. 8: coaa057. PMID 32922800 DOI: 10.1093/Conphys/Coaa057  0.727
2020 Pujade Busqueta L, Crocker DE, Champagne CD, McCormley MC, Deyarmin JS, Houser DS, Khudyakov JI. A blubber gene expression index for evaluating stress in marine mammals. Conservation Physiology. 8: coaa082. PMID 32904591 DOI: 10.1093/Conphys/Coaa082  0.8
2020 Houser DS, Martin S, Crocker DE, Finneran JJ. Endocrine response to simulated U.S. Navy mid-frequency sonar exposures in the bottlenose dolphin (Tursiops truncatus). The Journal of the Acoustical Society of America. 147: 1681. PMID 32237823 DOI: 10.1121/10.0000924  0.305
2020 Hückstädt LA, Piñones A, Palacios DM, McDonald BI, Dinniman MS, Hofmann EE, Burns JM, Crocker DE, Costa DP. Publisher Correction: Projected shifts in the foraging habitat of crabeater seals along the Antarctic Peninsula Nature Climate Change. 10: 791-791. DOI: 10.1038/S41558-020-0850-9  0.765
2020 Hückstädt LA, Piñones A, Palacios DM, McDonald BI, Dinniman MS, Hofmann EE, Burns JM, Crocker DE, Costa DP. Projected shifts in the foraging habitat of crabeater seals along the Antarctic Peninsula Nature Climate Change. 10: 472-477. DOI: 10.1038/S41558-020-0745-9  0.793
2019 Deyarmin J, Hekman R, Champagne C, McCormley M, Stephan A, Crocker D, Houser D, Khudyakov J. Blubber proteome response to repeated ACTH administration in a wild marine mammal. Comparative Biochemistry and Physiology. Part D, Genomics & Proteomics. 33: 100644. PMID 31786479 DOI: 10.1016/J.Cbd.2019.100644  0.803
2019 Khudyakov JI, Abdollahi E, Ngo AL, Sandhu GK, Stephan AP, Costa DP, Crocker DE. Expression of obesity-related adipokine genes during fasting in a naturally obese marine mammal. American Journal of Physiology. Regulatory, Integrative and Comparative Physiology. PMID 31390224 DOI: 10.1152/Ajpregu.00182.2019  0.8
2019 DeRango EJ, Prager KC, Greig DJ, Hooper AW, Crocker DE. Climate variability and life history impact stress, thyroid, and immune markers in California sea lions () during El Niño conditions. Conservation Physiology. 7: coz010. PMID 31110762 DOI: 10.1093/Conphys/Coz010  0.826
2019 Seguel M, Perez-Venegas D, Gutierrez J, Crocker DE, DeRango EJ. Parasitism Elicits a Stress Response That Allocates Resources for Immune Function in South American Fur Seals (Arctocephalus australis). Physiological and Biochemical Zoology : Pbz. 92: 326-338. PMID 30986114 DOI: 10.1086/702960  0.796
2019 Deyarmin JS, McCormley MC, Champagne CD, Stephan AP, Busqueta LP, Crocker DE, Houser DS, Khudyakov JI. Blubber transcriptome responses to repeated ACTH administration in a marine mammal. Scientific Reports. 9: 2718. PMID 30804370 DOI: 10.1038/S41598-019-39089-2  0.784
2019 Kroeger C, Crocker DE, Thompson DR, Torres LG, Sagar P, Shaffer SA. Variation in Corticosterone Levels in Two Species of Breeding Albatrosses with Divergent Life Histories: Responses to Body Condition and Drivers of Foraging Behavior. Physiological and Biochemical Zoology : Pbz. 92: 223-238. PMID 30741599 DOI: 10.1086/702656  0.593
2019 Horning M, Andrews RD, Bishop AM, Boveng PL, Costa DP, Crocker DE, Haulena M, Hindell M, Hindle AG, Holser RR, Hooker SK, Hückstädt LA, Johnson S, Lea M, McDonald BI, et al. Best practice recommendations for the use of external telemetry devices on pinnipeds Animal Biotelemetry. 7. DOI: 10.1186/S40317-019-0182-6  0.779
2019 Hooper AW, Berger RW, Rubin LS, McDonald BI, Crocker DE. Maternal age influences offspring behaviour and growth efficiency during provisioning in northern elephant seals Animal Behaviour. 151: 121-130. DOI: 10.1016/J.Anbehav.2019.03.007  0.796
2018 Habran S, Damseaux F, Pomeroy P, Debier C, Crocker D, Lepoint G, Das K. Changes in stable isotope compositions during fasting in phocid seals. Rapid Communications in Mass Spectrometry : Rcm. PMID 30367531 DOI: 10.1002/Rcm.8308  0.369
2018 Khudyakov JI, Deyarmin JS, Hekman RM, Pujade Busqueta L, Maan R, Mody MJ, Banerjee R, Crocker DE, Champagne CD. A sample preparation workflow for adipose tissue shotgun proteomics and proteogenomics. Biology Open. PMID 30361411 DOI: 10.1242/Bio.036731  0.772
2018 Chinn SM, Monson DH, Tinker MT, Staedler MM, Crocker DE. Lactation and resource limitation affect stress responses, thyroid hormones, immune function, and antioxidant capacity of sea otters (). Ecology and Evolution. 8: 8433-8447. PMID 30250713 DOI: 10.1002/Ece3.4280  0.41
2018 Meyer WK, Jamison J, Richter R, Woods SE, Partha R, Kowalczyk A, Kronk C, Chikina M, Bonde RK, Crocker DE, Gaspard J, Lanyon JM, Marsillach J, Furlong CE, Clark NL. Ancient convergent losses of yield potential risks for modern marine mammals. Science (New York, N.Y.). 361: 591-594. PMID 30093596 DOI: 10.1126/Science.Aap7714  0.314
2018 McCormley MC, Champagne CD, Deyarmin JS, Stephan AP, Crocker DE, Houser DS, Khudyakov JI. Repeated adrenocorticotropic hormone administration alters adrenal and thyroid hormones in free-ranging elephant seals. Conservation Physiology. 6: coy040. PMID 30034809 DOI: 10.1093/Conphys/Coy040  0.796
2018 Champagne CD, Kellar NM, Trego ML, Brendan D, Rudy B, Wasser SK, Booth RK, Crocker DE, Houser DS. Comprehensive Endocrine Response to Acute Stress in the Bottlenose Dolphin from Serum, Blubber, and Feces. General and Comparative Endocrinology. PMID 29852162 DOI: 10.1016/J.Ygcen.2018.05.015  0.727
2018 Martinez B, Khudyakov J, Rutherford K, Crocker DE, Gemmell N, Ortiz RM. Adipose Transcriptome Analysis Provides Novel Insights into Molecular Regulation of Prolonged Fasting in Northern Elephant Seal Pups. Physiological Genomics. PMID 29625017 DOI: 10.1152/Physiolgenomics.00002.2018  0.747
2018 Fowler M, Champagne C, Crocker D. Adiposity and fat metabolism during combined fasting and lactation in elephant seals. The Journal of Experimental Biology. 221. PMID 29514892 DOI: 10.1242/Jeb.161554  0.792
2018 Peterson SH, Ackerman JT, Crocker DE, Costa DP. Foraging and fasting can influence contaminant concentrations in animals: an example with mercury contamination in a free-ranging marine mammal. Proceedings. Biological Sciences. 285. PMID 29436501 DOI: 10.1098/Rspb.2017.2782  0.614
2018 Spurlin SM, Peterson SH, Crocker DE, Costa DP. Nitrogen and carbon stable‐isotope ratios change in adult northern elephant seals ( Mirounga angustirostris ) during the breeding and molting fasts Marine Mammal Science. 35: 707-717. DOI: 10.1111/Mms.12558  0.563
2018 DeRango EJ, Greig DJ, Gálvez C, Norris TA, Barbosa L, Elorriaga-Verplancken FR, Crocker DE. Response to capture stress involves multiple corticosteroids and is associated with serum thyroid hormone concentrations in Guadalupe fur seals (Arctocephalus philippii townsendi ) Marine Mammal Science. 35: 72-92. DOI: 10.1111/Mms.12517  0.315
2017 Abrahms B, Hazen EL, Bograd SJ, Brashares JS, Robinson PW, Scales KL, Crocker DE, Costa DP. Climate mediates the success of migration strategies in a marine predator. Ecology Letters. PMID 29096419 DOI: 10.1111/Ele.12871  0.717
2017 Currylow AFT, Rafeliarisoa TH, Louis EE, Stanford CB, Randrianjafizanaka ST, Chinn SM, Crocker DE. Characterization of seasonal reproductive and stress steroid hormones in wild Radiated Tortoises, Astrochelys radiata. General and Comparative Endocrinology. PMID 28888695 DOI: 10.1016/J.Ygcen.2017.09.001  0.415
2017 Currylow AFT, Mandimbihasina A, Gibbons P, Bekarany E, Stanford CB, Louis EE, Crocker DE. Comparative ecophysiology of a critically endangered (CR) ectotherm: Implications for conservation management. Plos One. 12: e0182004. PMID 28813439 DOI: 10.1371/Journal.Pone.0182004  0.428
2017 Jelincic JA, Tift MS, Houser DS, Crocker DE. Variation in adrenal and thyroid hormones with life-history stage in juvenile northern elephant seals (Mirounga angustirostris). General and Comparative Endocrinology. 252: 111-118. PMID 28782534 DOI: 10.1016/J.Ygcen.2017.08.001  0.389
2017 Martinez B, Scheibner M, Soñanez-Organis JG, Jaques JT, Crocker DE, Ortiz RM. Increased Sensitivity of Thyroid Hormone-mediated Signaling Despite Prolonged Fasting. General and Comparative Endocrinology. PMID 28743556 DOI: 10.1016/J.Ygcen.2017.07.023  0.34
2017 Beaulieu-McCoy NE, Sherman KK, Trego ML, Crocker DE, Kellar NM. Initial validation of blubber cortisol and progesterone as indicators of stress response and maturity in an Otariid; The California Sea Lion (Zalophus californianus). General and Comparative Endocrinology. PMID 28690049 DOI: 10.1016/J.Ygcen.2017.07.003  0.401
2017 Crocker DE, Wenzel BK, Champagne CD, Houser DS. Adult male northern elephant seals maintain high rates of glucose production during extended breeding fasts. Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology. PMID 28421289 DOI: 10.1007/S00360-017-1098-1  0.716
2017 Currylow AF, Louis EE, Crocker DE. Stress response to handling is short lived but may reflect personalities in a wild, Critically Endangered tortoise species. Conservation Physiology. 5: cox008. PMID 28360999 DOI: 10.1093/Conphys/Cox008  0.406
2017 Lee D, Martinez B, Crocker DE, Ortiz RM. Fasting increases the phosphorylation of AMPK and expression of sirtuin1 in muscle of adult male northern elephant seals (Mirounga angustirostris). Physiological Reports. 5. PMID 28242816 DOI: 10.14814/Phy2.13114  0.328
2017 Khudyakov JI, Champagne CD, Meneghetti LM, Crocker DE. Blubber transcriptome response to acute stress axis activation involves transient changes in adipogenesis and lipolysis in a fasting-adapted marine mammal. Scientific Reports. 7: 42110. PMID 28186107 DOI: 10.1038/Srep42110  0.761
2017 Ferraro MS, Decker RR, Costa DP, Robinson PW, Houser DS, Crocker DE. Evaluating gain functions in foraging bouts using vertical excursions in northern elephant seals Animal Behaviour. 129: 15-24. DOI: 10.1016/J.Anbehav.2017.05.007  0.743
2016 Martinez B, Soñanez-Organis JG, Godoy-Lugo JA, Horin L, Crocker DE, Ortiz RM. Thyroid hormone stimulated increases in PGC-1α and UCP2 promote life-history specific endocrine changes and maintain a lipid-based metabolism. American Journal of Physiology. Regulatory, Integrative and Comparative Physiology. ajpregu.00395.2016. PMID 27903512 DOI: 10.1152/Ajpregu.00395.2016  0.359
2016 Codde SA, Allen SG, Houser DS, Crocker DE. Effects of environmental variables on surface temperature of breeding adult female northern elephant seals, Mirounga angustirostris, and pups. Journal of Thermal Biology. 61: 98-105. PMID 27712667 DOI: 10.1016/J.Jtherbio.2016.09.001  0.339
2016 Peterson MG, Peterson SH, Debier C, Covaci A, Dirtu AC, Malarvannan G, Crocker DE, Costa DP. Serum POP concentrations are highly predictive of inner blubber concentrations at two extremes of body condition in northern elephant seals. Environmental Pollution (Barking, Essex : 1987). PMID 27503056 DOI: 10.1016/J.Envpol.2016.07.052  0.633
2016 Crocker DE, Khudyakov JI, Champagne CD. Oxidative stress in northern elephant seals: Integration of omics approaches with ecological and experimental studies. Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. PMID 26924792 DOI: 10.1016/J.Cbpa.2016.02.011  0.802
2016 Houser DS, Champagne CD, Crocker DE, Kellar NM, Cockrem J, Romano T, Booth RK, Wasser SK. Natural Variation in Stress Hormones, Comparisons Across Matrices, and Impacts Resulting from Induced Stress in the Bottlenose Dolphin. Advances in Experimental Medicine and Biology. 875: 467-71. PMID 26610993 DOI: 10.1007/978-1-4939-2981-8_56  0.737
2016 Costa DP, Schwarz L, Robinson P, Schick RS, Morris PA, Condit R, Crocker DE, Kilpatrick AM. A Bioenergetics Approach to Understanding the Population Consequences of Disturbance: Elephant Seals as a Model System. Advances in Experimental Medicine and Biology. 875: 161-169. PMID 26610956 DOI: 10.1007/978-1-4939-2981-8_19  0.721
2016 Louis C, Covaci A, Crocker DE, Debier C. Lipophilicity of PCBs and fatty acids determines their mobilisation from blubber of weaned northern elephant seal pups. The Science of the Total Environment. 541: 599-602. PMID 26439651 DOI: 10.1016/J.Scitotenv.2015.09.094  0.306
2016 Champagne CD, Kellar NM, Crocker DE, Wasser SK, Booth RK, Trego ML, Houser DS. Blubber cortisol qualitatively reflects circulating cortisol concentrations in bottlenose dolphins Marine Mammal Science. DOI: 10.1111/Mms.12352  0.353
2016 Peck HE, Costa DP, Crocker DE. Body reserves influence allocation to immune responses in capital breeding female northern elephant seals Functional Ecology. 30: 389-397. DOI: 10.1111/1365-2435.12504  0.605
2015 Moore CD, Fahlman A, Crocker DE, Robbins KA, Trumble SJ. The degradation of proteins in pinniped skeletal muscle: viability of post-mortem tissue in physiological research. Conservation Physiology. 3: cov019. PMID 27293704 DOI: 10.1093/Conphys/Cov019  0.327
2015 Champagne C, Tift M, Houser D, Crocker D. Adrenal sensitivity to stress is maintained despite variation in baseline glucocorticoids in moulting seals. Conservation Physiology. 3: cov004. PMID 27293689 DOI: 10.1093/Conphys/Cov004  0.813
2015 Somo DA, Ensminger DC, Sharick JT, Kanatous SB, Crocker DE. Development of Dive Capacity in Northern Elephant Seals (Mirounga angustirostris): Reduced Body Reserves at Weaning Are Associated with Elevated Body Oxygen Stores during the Postweaning Fast. Physiological and Biochemical Zoology : Pbz. 88: 471-82. PMID 26658245 DOI: 10.1086/682386  0.777
2015 Fowler MA, Debier C, Champagne CD, Crocker DE, Costa DP. The demands of lactation promote differential regulation of lipid stores in fasting elephant seals. General and Comparative Endocrinology. PMID 26407500 DOI: 10.1016/J.Ygcen.2015.09.024  0.803
2015 Maresh JL, Adachi T, Takahashi A, Naito Y, Crocker DE, Horning M, Williams TM, Costa DP. Summing the strokes: energy economy in northern elephant seals during large-scale foraging migrations. Movement Ecology. 3: 22. PMID 26380090 DOI: 10.1186/S40462-015-0049-2  0.644
2015 Barjau Pérez-Milicua M, Zenteno-Savín T, Crocker DE, Gallo-Reynoso JP. Hypoxanthine-guanine phosphoribosyltransferase and inosine 5'-monophosphate dehydrogenase activities in three mammalian species: aquatic (Mirounga angustirostris), semi-aquatic (Lontra longicaudis annectens) and terrestrial (Sus scrofa). Frontiers in Physiology. 6: 212. PMID 26283971 DOI: 10.3389/Fphys.2015.00212  0.327
2015 Peterson SH, Peterson MG, Debier C, Covaci A, Dirtu AC, Malarvannan G, Crocker DE, Schwarz LK, Costa DP. Deep-ocean foraging northern elephant seals bioaccumulate persistent organic pollutants. The Science of the Total Environment. 533: 144-55. PMID 26151658 DOI: 10.1016/J.Scitotenv.2015.06.097  0.622
2015 Khudyakov JI, Champagne CD, Preeyanon L, Ortiz RM, Crocker DE. Muscle transcriptome response to ACTH administration in a free-ranging marine mammal. Physiological Genomics. 47: 318-30. PMID 26038394 DOI: 10.1152/Physiolgenomics.00030.2015  0.814
2015 Sharick JT, Vazquez-Medina JP, Ortiz RM, Crocker DE. Oxidative stress is a potential cost of breeding in male and female northern elephant seals. Functional Ecology. 29: 367-376. PMID 25983364 DOI: 10.1111/1365-2435.12330  0.313
2015 Atkinson S, Crocker D, Houser D, Mashburn K. Stress physiology in marine mammals: how well do they fit the terrestrial model? Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology. 185: 463-86. PMID 25913694 DOI: 10.1007/S00360-015-0901-0  0.37
2015 Fowler MA, Costa DP, Crocker DE, Shen WJ, Kraemer FB. Adipose Triglyceride Lipase, Not Hormone-Sensitive Lipase, Is the Primary Lipolytic Enzyme in Fasting Elephant Seals (Mirounga angustirostris). Physiological and Biochemical Zoology : Pbz. 88: 284-94. PMID 25860827 DOI: 10.1086/680079  0.768
2015 Suzuki M, Lee AY, Vázquez-Medina JP, Viscarra JA, Crocker DE, Ortiz RM. Plasma FGF21 concentrations, adipose fibroblast growth factor receptor-1 and β-klotho expression decrease with fasting in northern elephant seals. General and Comparative Endocrinology. 216: 86-9. PMID 25857751 DOI: 10.1016/J.Ygcen.2015.03.009  0.314
2015 Khudyakov JI, Preeyanon L, Champagne CD, Ortiz RM, Crocker DE. Transcriptome analysis of northern elephant seal (Mirounga angustirostris) muscle tissue provides a novel molecular resource and physiological insights. Bmc Genomics. 16: 64. PMID 25758323 DOI: 10.1186/S12864-015-1253-6  0.794
2015 Louis C, Covaci A, Stas M, Crocker DE, Malarvannan G, Dirtu AC, Debier C. Bioaccumulation of hydroxylated polychlorinated biphenyls and pentachlorophenol in the serum of northern elephant seal pups (Mirounga angustirostris). Environmental Research. 136: 441-8. PMID 25460666 DOI: 10.1016/J.Envres.2014.08.040  0.301
2015 Lawson GL, Hückstädt LA, Lavery AC, Jaffré FM, Wiebe PH, Fincke JR, Crocker DE, Costa DP. Development of an animal-borne “sonar tag” for quantifying prey availability: test deployments on northern elephant seals Animal Biotelemetry. 3. DOI: 10.1186/S40317-015-0054-7  0.772
2015 Louis C, Tift MS, Crocker DE, Alexander D, Smith DR, Debier C. Isolation of progenitor cells from the blubber of northern elephant seals (mirounga angustirostris) in order to obtain an in vitro adipocyte model-preliminary results Marine Mammal Science. 31: 764-773. DOI: 10.1111/Mms.12176  0.335
2015 Peterson SH, Peterson MG, Debier C, Covaci A, Dirtu AC, Malarvannan G, Crocker DE, Schwarz LK, Costa DP. Deep-ocean foraging northern elephant seals bioaccumulate persistent organic pollutants Science of the Total Environment. 533: 144-155. DOI: 10.1016/j.scitotenv.2015.06.097  0.521
2014 Chicco AJ, Le CH, Schlater A, Nguyen A, Kaye S, Beals JW, Scalzo RL, Bell C, Gnaiger E, Costa DP, Crocker DE, Kanatous SB. High fatty acid oxidation capacity and phosphorylation control despite elevated leak and reduced respiratory capacity in northern elephant seal muscle mitochondria. The Journal of Experimental Biology. 217: 2947-55. PMID 24902742 DOI: 10.1242/Jeb.105916  0.582
2014 Louis C, Dirtu AC, Stas M, Guiot Y, Malarvannan G, Das K, Costa DP, Crocker DE, Covaci A, Debier C. Mobilisation of lipophilic pollutants from blubber in northern elephant seal pups (Mirounga angustirostris) during the post-weaning fast. Environmental Research. 132: 438-48. PMID 24858284 DOI: 10.1016/J.Envres.2014.04.016  0.574
2014 Tift MS, Ponganis PJ, Crocker DE. Elevated carboxyhemoglobin in a marine mammal, the northern elephant seal. The Journal of Experimental Biology. 217: 1752-7. PMID 24829326 DOI: 10.1242/Jeb.100677  0.75
2014 Ensminger DC, Somo DA, Houser DS, Crocker DE. Metabolic responses to adrenocorticotropic hormone (ACTH) vary with life-history stage in adult male northern elephant seals. General and Comparative Endocrinology. 204: 150-7. PMID 24798580 DOI: 10.1016/J.Ygcen.2014.04.024  0.8
2014 Maresh JL, Simmons SE, Crocker DE, McDonald BI, Williams TM, Costa DP. Free-swimming northern elephant seals have low field metabolic rates that are sensitive to an increased cost of transport. The Journal of Experimental Biology. 217: 1485-95. PMID 24790099 DOI: 10.1242/Jeb.094201  0.777
2014 Peterson SH, Hassrick JL, Lafontaine A, Thomé JP, Crocker DE, Debier C, Costa DP. Effects of age, adipose percent, and reproduction on PCB concentrations and profiles in an extreme fasting North Pacific marine mammal. Plos One. 9: e96191. PMID 24755635 DOI: 10.1371/Journal.Pone.0096191  0.806
2014 Spraker TR, Lyons ET, Kuzmina TA, Tift MS, Raverty S, Jaggi N, Crocker DE. Causes of death in preweaned northern elephant seal pups (Mirounga angustirostris, Gill, 1866), Año Nuevo State Reserve, California, 2012. Journal of Veterinary Diagnostic Investigation : Official Publication of the American Association of Veterinary Laboratory Diagnosticians, Inc. 26: 320-6. PMID 24590664 DOI: 10.1177/1040638714523427  0.734
2014 López-Cruz RI, Pérez-Milicua MB, Crocker DE, Gaxiola-Robles R, Bernal-Vertiz JA, de la Rosa A, Vázquez-Medina JP, Zenteno-Savín T. Purine nucleoside phosphorylase and xanthine oxidase activities in erythrocytes and plasma from marine, semiaquatic and terrestrial mammals. Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. 171: 31-5. PMID 24530799 DOI: 10.1016/J.Cbpa.2014.02.007  0.301
2014 Crocker DE, Champagne CD, Fowler MA, Houser DS. Adiposity and fat metabolism in lactating and fasting northern elephant seals. Advances in Nutrition (Bethesda, Md.). 5: 57-64. PMID 24425723 DOI: 10.3945/An.113.004663  0.802
2014 Crocker DE, Fowler MA, Champagne CD, Vanderlugt AL, Houser DS. Metabolic response to a glucagon challenge varies with adiposity and life-history stage in fasting northern elephant seals. General and Comparative Endocrinology. 195: 99-106. PMID 24239794 DOI: 10.1016/J.Ygcen.2013.11.005  0.807
2014 Fowler MA, Debier C, Mignolet E, Linard C, Crocker DE, Costa DP. Fatty acid mobilization and comparison to milk fatty acid content in northern elephant seals. Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology. 184: 125-35. PMID 24126964 DOI: 10.1007/S00360-013-0787-7  0.732
2014 Champagne C, Tift M, Houser D, Crocker D. ACTH administration stimulates both cortisol and aldosterone secretion in fasting northern elephant seals (LB776) The Faseb Journal. 28. DOI: 10.1096/Fasebj.28.1_Supplement.Lb776  0.352
2013 Martinez B, Soñanez-Organis JG, Vázquez-Medina JP, Viscarra JA, MacKenzie DS, Crocker DE, Ortiz RM. Prolonged food deprivation increases mRNA expression of deiodinase 1 and 2, and thyroid hormone receptor β-1 in a fasting-adapted mammal. The Journal of Experimental Biology. 216: 4647-54. PMID 24307712 DOI: 10.1242/Jeb.085290  0.334
2013 Houser DS, Champagne CD, Crocker DE. A non-traditional model of the metabolic syndrome: the adaptive significance of insulin resistance in fasting-adapted seals. Frontiers in Endocrinology. 4: 164. PMID 24198811 DOI: 10.3389/Fendo.2013.00164  0.722
2013 Tift MS, Ranalli EC, Houser DS, Ortiz RM, Crocker DE. Development enhances hypometabolism in northern elephant seal pups (Mirounga angustirostris). Functional Ecology. 27. PMID 24187422 DOI: 10.1111/1365-2435.12111  0.746
2013 Viscarra JA, Rodriguez R, Vazquez-Medina JP, Lee A, Tift MS, Tavoni SK, Crocker DE, Ortiz RM. Insulin and GLP-1 infusions demonstrate the onset of adipose-specific insulin resistance in a large fasting mammal: potential glucogenic role for GLP-1. Physiological Reports. 1: e00023. PMID 23997935 DOI: 10.1002/Phy2.23  0.723
2013 Champagne CD, Boaz SM, Fowler MA, Houser DS, Costa DP, Crocker DE. A profile of carbohydrate metabolites in the fasting northern elephant seal. Comparative Biochemistry and Physiology. Part D, Genomics & Proteomics. 8: 141-51. PMID 23542762 DOI: 10.1016/J.Cbd.2013.02.002  0.814
2013 Tavoni SK, Champagne CD, Houser DS, Crocker DE. Lactate flux and gluconeogenesis in fasting, weaned northern elephant seals (Mirounga angustirostris). Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology. 183: 537-46. PMID 23180193 DOI: 10.1007/S00360-012-0720-5  0.707
2013 Currylow AF, Tift MS, Meyer JL, Crocker DE, Williams RN. Seasonal variations in plasma vitellogenin and sex steroids in male and female Eastern Box Turtles, Terrapene carolina carolina. General and Comparative Endocrinology. 180: 48-55. PMID 23174697 DOI: 10.1016/J.Ygcen.2012.11.005  0.769
2013 Hassrick JL, Crocker DE, Costa DP. Effects of maternal age and mass on foraging behaviour and foraging success in the northern elephant seal Functional Ecology. 27: 1055-1063. DOI: 10.1111/1365-2435.12108  0.81
2013 Champagne CD, Crocker DE, Fowler MA, Houser DS. Fasting physiology of the pinnipeds: The challenges of fasting while maintaining high energy expenditure and nutrient delivery for lactation Comparative Physiology of Fasting, Starvation, and Food Limitation. 309-336. DOI: 10.1007/978-3-642-29056-5_19  0.686
2012 Houser DS, Crocker DE, Tift MS, Champagne CD. Glucose oxidation and nonoxidative glucose disposal during prolonged fasts of the northern elephant seal pup (Mirounga angustirostris). American Journal of Physiology. Regulatory, Integrative and Comparative Physiology. 303: R562-70. PMID 22814669 DOI: 10.1152/Ajpregu.00101.2012  0.781
2012 Kelso EJ, Champagne CD, Tift MS, Houser DS, Crocker DE. Sex differences in fuel use and metabolism during development in fasting juvenile northern elephant seals. The Journal of Experimental Biology. 215: 2637-45. PMID 22786640 DOI: 10.1242/Jeb.068833  0.815
2012 Viscarra JA, Vázquez-Medina JP, Rodriguez R, Champagne CD, Adams SH, Crocker DE, Ortiz RM. Decreased expression of adipose CD36 and FATP1 are associated with increased plasma non-esterified fatty acids during prolonged fasting in northern elephant seal pups (Mirounga angustirostris). The Journal of Experimental Biology. 215: 2455-64. PMID 22723485 DOI: 10.1242/Jeb.069070  0.719
2012 Champagne CD, Houser DS, Costa DP, Crocker DE. The effects of handling and anesthetic agents on the stress response and carbohydrate metabolism in northern elephant seals. Plos One. 7: e38442. PMID 22693622 DOI: 10.1371/Journal.Pone.0038442  0.8
2012 Champagne CD, Houser DS, Fowler MA, Costa DP, Crocker DE. Gluconeogenesis is associated with high rates of tricarboxylic acid and pyruvate cycling in fasting northern elephant seals. American Journal of Physiology. Regulatory, Integrative and Comparative Physiology. 303: R340-52. PMID 22673783 DOI: 10.1152/Ajpregu.00042.2012  0.799
2012 Robinson PW, Costa DP, Crocker DE, Gallo-Reynoso JP, Champagne CD, Fowler MA, Goetsch C, Goetz KT, Hassrick JL, Hückstädt LA, Kuhn CE, Maresh JL, Maxwell SM, McDonald BI, Peterson SH, et al. Foraging behavior and success of a mesopelagic predator in the northeast Pacific Ocean: insights from a data-rich species, the northern elephant seal. Plos One. 7: e36728. PMID 22615801 DOI: 10.1371/Journal.Pone.0036728  0.785
2012 Lyons ET, Kuzmina TA, Spraker TR, Jaggi N, Costa DP, Crocker DE, Tolliver SC, Tift MS. Parasitological examination for presence of hookworms (Uncinaria spp.) in northern elephant seals (Mirounga angustirostris) at Año Nuevo State Reserve, California (2012). Parasitology Research. 111: 1847-50. PMID 22543700 DOI: 10.1007/S00436-012-2919-5  0.566
2012 Debier C, Crocker DE, Houser DS, Vanden Berghe M, Fowler M, Mignolet E, de Tillesse T, Rees JF, Thomé JP, Larondelle Y. Differential changes of fat-soluble vitamins and pollutants during lactation in northern elephant seal mother-pup pairs. Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. 162: 323-30. PMID 22507522 DOI: 10.1016/J.Cbpa.2012.04.001  0.649
2012 Soñanez-Organis JG, Vázquez-Medina JP, Zenteno-Savín T, Aguilar A, Crocker DE, Ortiz RM. Prolonged fasting increases purine recycling in post-weaned northern elephant seals. The Journal of Experimental Biology. 215: 1448-55. PMID 22496280 DOI: 10.1242/Jeb.067173  0.326
2012 McDonald BI, Goebel ME, Crocker DE, Costa DP. Dynamic influence of maternal and pup traits on maternal care during lactation in an income breeder, the antarctic fur seal. Physiological and Biochemical Zoology : Pbz. 85: 243-54. PMID 22494980 DOI: 10.1086/665407  0.793
2012 McDonald BI, Goebel ME, Crocker DE, Costa DP. Biological and environmental drivers of energy allocation in a dependent mammal, the Antarctic fur seal pup. Physiological and Biochemical Zoology : Pbz. 85: 134-47. PMID 22418706 DOI: 10.1086/664948  0.793
2012 Houser D, Yeates L, Crocker D, Martin SW, Finneran JJ. Controlled exposure study of dolphins and sea lions to midfrequency sonarlike signals. Advances in Experimental Medicine and Biology. 730: 269-72. PMID 22278496 DOI: 10.1007/978-1-4419-7311-5_59  0.323
2012 Crocker DE, Houser DS, Webb PM. Impact of body reserves on energy expenditure, water flux, and mating success in breeding male northern elephant seals. Physiological and Biochemical Zoology : Pbz. 85: 11-20. PMID 22237285 DOI: 10.1086/663634  0.379
2012 Crocker DE, Ortiz RM, Houser DS, Webb PM, Costa DP. Hormone and metabolite changes associated with extended breeding fasts in male northern elephant seals (Mirounga angustirostris). Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. 161: 388-94. PMID 22227222 DOI: 10.1016/J.Cbpa.2011.12.013  0.663
2012 Hückstädt LA, Koch PL, McDonald BI, Goebel ME, Crocker DE, Costa DP. Stable isotope analyses reveal individual variability in the trophic ecology of a top marine predator, the southern elephant seal. Oecologia. 169: 395-406. PMID 22139429 DOI: 10.1007/S00442-011-2202-Y  0.797
2012 Boaz SM, Champagne CD, Fowler MA, Houser DH, Crocker DE. Water-soluble vitamin homeostasis in fasting northern elephant seals (Mirounga angustirostris) measured by metabolomics analysis and standard methods. Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. 161: 114-21. PMID 21983145 DOI: 10.1016/J.Cbpa.2011.09.009  0.781
2012 Hückstädt LA, Burns JM, Koch PL, McDonald BI, Crocker DE, Costa DP. Diet of a specialist in a changing environment: the crabeater seal along the western Antarctic Peninsula Marine Ecology Progress Series. 455: 287-301. DOI: 10.3354/Meps09601  0.79
2012 Maxwell SM, Frank JJ, Breed GA, Robinson PW, Simmons SE, Crocker DE, Gallo-Reynoso JP, Costa DP. Benthic foraging on seamounts: A specialized foraging behavior in a deep-diving pinniped Marine Mammal Science. 28. DOI: 10.1111/J.1748-7692.2011.00527.X  0.779
2011 Houser DS, Yeates LC, Crocker DE. Cold stress induces an adrenocortical response in bottlenose dolphins (Tursiops truncatus). Journal of Zoo and Wildlife Medicine : Official Publication of the American Association of Zoo Veterinarians. 42: 565-71. PMID 22204049 DOI: 10.1638/2010-0121.1  0.345
2011 Vázquez-Medina JP, Zenteno-Savín T, Tift MS, Forman HJ, Crocker DE, Ortiz RM. Apnea stimulates the adaptive response to oxidative stress in elephant seal pups. The Journal of Experimental Biology. 214: 4193-200. PMID 22116762 DOI: 10.1242/Jeb.063644  0.739
2011 Aoki K, Watanabe YY, Crocker DE, Robinson PW, Biuw M, Costa DP, Miyazaki N, Fedak MA, Miller PJ. Northern elephant seals adjust gliding and stroking patterns with changes in buoyancy: validation of at-sea metrics of body density. The Journal of Experimental Biology. 214: 2973-87. PMID 21832140 DOI: 10.1242/Jeb.055137  0.722
2011 Habran S, Debier C, Crocker DE, Houser DS, Das K. Blood dynamics of mercury and selenium in northern elephant seals during the lactation period. Environmental Pollution (Barking, Essex : 1987). 159: 2523-9. PMID 21752502 DOI: 10.1016/J.Envpol.2011.06.019  0.32
2011 Tift MS, Houser DS, Crocker DE. High-density lipoprotein remains elevated despite reductions in total cholesterol in fasting adult male elephant seals (Mirounga angustirostris). Comparative Biochemistry and Physiology. Part B, Biochemistry & Molecular Biology. 159: 214-9. PMID 21596155 DOI: 10.1016/J.Cbpb.2011.04.005  0.742
2011 Viscarra JA, Champagne CD, Crocker DE, Ortiz RM. 5'AMP-activated protein kinase activity is increased in adipose tissue of northern elephant seal pups during prolonged fasting-induced insulin resistance. The Journal of Endocrinology. 209: 317-25. PMID 21429964 DOI: 10.1530/Joe-11-0017  0.698
2010 Costa DP, Huckstadt LA, Crocker DE, McDonald BI, Goebel ME, Fedak MA. Approaches to studying climatic change and its role on the habitat selection of antarctic pinnipeds. Integrative and Comparative Biology. 50: 1018-30. PMID 21558256 DOI: 10.1093/Icb/Icq054  0.796
2010 Norris AL, Houser DS, Crocker DE. Environment and activity affect skin temperature in breeding adult male elephant seals (Mirounga angustirostris). The Journal of Experimental Biology. 213: 4205-12. PMID 21113001 DOI: 10.1242/Jeb.042135  0.343
2010 Robinson PW, Simmons SE, Crocker DE, Costa DP. Measurements of foraging success in a highly pelagic marine predator, the northern elephant seal. The Journal of Animal Ecology. 79: 1146-56. PMID 20673236 DOI: 10.1111/J.1365-2656.2010.01735.X  0.809
2010 Hassrick JL, Crocker DE, Teutschel NM, McDonald BI, Robinson PW, Simmons SE, Costa DP. Condition and mass impact oxygen stores and dive duration in adult female northern elephant seals. The Journal of Experimental Biology. 213: 585-92. PMID 20118309 DOI: 10.1242/Jeb.037168  0.793
2010 Costa DP, Robinson PW, Arnould JP, Harrison AL, Simmons SE, Hassrick JL, Hoskins AJ, Kirkman SP, Oosthuizen H, Villegas-Amtmann S, Crocker DE. Accuracy of ARGOS locations of Pinnipeds at-sea estimated using Fastloc GPS. Plos One. 5: e8677. PMID 20090942 DOI: 10.1371/Journal.Pone.0008677  0.782
2010 Simmons SE, Crocker DE, Hassrick JL, Kuhn CE, Robinson PW, Tremblay Y, Costa DP. Climate-scale hydrographic features related to foraging success in a capital breeder, the northern elephant seal Mirounga angustirostris Endangered Species Research. 10: 233-243. DOI: 10.3354/Esr00254  0.797
2010 Habran S, Debier C, Crocker DE, Houser DS, Lepoint G, Bouquegneau J, Das K. Assessment of gestation, lactation and fasting on stable isotope ratios in northern elephant seals (Mirounga angustirostris) Marine Mammal Science. 26: 880-895. DOI: 10.1111/J.1748-7692.2010.00372.X  0.343
2009 Kuhn CE, Crocker DE, Tremblay Y, Costa DP. Time to eat: measurements of feeding behaviour in a large marine predator, the northern elephant seal Mirounga angustirostris. The Journal of Animal Ecology. 78: 513-23. PMID 19040681 DOI: 10.1111/J.1365-2656.2008.01509.X  0.792
2009 McDonald BI, Goebel ME, Crocker DE, Tremblay Y, Costa DP. Effects of maternal traits and individual behavior on the foraging strategies and provisioning rates of an income breeder, the Antarctic fur seal Marine Ecology Progress Series. 394: 277-288. DOI: 10.3354/Meps08308  0.802
2008 Fowler MA, Champagne CD, Houser DS, Crocker DE. Hormonal regulation of glucose clearance in lactating northern elephant seals (Mirounga angustirostris). The Journal of Experimental Biology. 211: 2943-9. PMID 18775931 DOI: 10.1242/Jeb.018176  0.79
2008 Houser DS, Crocker DE, Finneran JJ. Click-evoked potentials in a large marine mammal, the adult male northern elephant seal (Mirounga angustirostris). The Journal of the Acoustical Society of America. 124: 44-7. PMID 18646953 DOI: 10.1121/1.2932063  0.313
2008 Zeno RL, Crocker DE, Hassrick JL, Allen SG, Costa DP. Development of foraging behavior in juvenile northern elephant seals Journal of Zoology. 274: 180-187. DOI: 10.1111/J.1469-7998.2007.00371.X  0.819
2008 McDonald BI, Crocker DE, Burns JM, Costa DP. Body condition as an index of winter foraging success in crabeater seals (Lobodon carcinophaga) Deep-Sea Research Part Ii: Topical Studies in Oceanography. 55: 515-522. DOI: 10.1016/J.Dsr2.2007.11.002  0.8
2007 Houser DS, Champagne CD, Crocker DE. Lipolysis and glycerol gluconeogenesis in simultaneously fasting and lactating northern elephant seals. American Journal of Physiology. Regulatory, Integrative and Comparative Physiology. 293: R2376-81. PMID 17913869 DOI: 10.1152/Ajpregu.00403.2007  0.72
2007 Biuw M, Boehme L, Guinet C, Hindell M, Costa D, Charrassin JB, Roquet F, Bailleul F, Meredith M, Thorpe S, Tremblay Y, McDonald B, Park YH, Rintoul SR, Bindoff N, ... ... Crocker D, et al. Variations in behavior and condition of a Southern Ocean top predator in relation to in situ oceanographic conditions. Proceedings of the National Academy of Sciences of the United States of America. 104: 13705-10. PMID 17693555 DOI: 10.1073/Pnas.0701121104  0.801
2007 Simmons SE, Crocker DE, Kudela RM, Costa DP. Linking foraging behaviour of the northern elephant seal with oceanography and bathymetry at mesoscales Marine Ecology Progress Series. 346: 265-275. DOI: 10.3354/Meps07014  0.772
2007 Hassrick JL, Crocker DE, Zeno RL, Blackwell SB, Costa DP, Le Boeuf BJ. Swimming speed and foraging strategies of northern elephant seals Deep-Sea Research Part Ii: Topical Studies in Oceanography. 54: 369-383. DOI: 10.1016/J.Dsr2.2006.12.001  0.798
2007 Robinson PW, Tremblay Y, Crocker DE, Kappes MA, Kuhn CE, Shaffer SA, Simmons SE, Costa DP. A comparison of indirect measures of feeding behaviour based on ARGOS tracking data Deep-Sea Research Part Ii: Topical Studies in Oceanography. 54: 356-368. DOI: 10.1016/J.Dsr2.2006.11.020  0.79
2006 McDonald BI, Crocker DE. Physiology and behavior influence lactation efficiency in northern elephant seals (Mirounga angustirostris). Physiological and Biochemical Zoology : Pbz. 79: 484-96. PMID 16691515 DOI: 10.1086/501056  0.801
2006 Champagne CD, Houser DS, Crocker DE. Glucose metabolism during lactation in a fasting animal, the northern elephant seal. American Journal of Physiology. Regulatory, Integrative and Comparative Physiology. 291: R1129-37. PMID 16675633 DOI: 10.1152/Ajpregu.00570.2005  0.725
2006 Tremblay Y, Shaffer SA, Fowler SL, Kuhn CE, McDonald BI, Weise MJ, Bost CA, Weimerskirch H, Crocker DE, Goebel ME, Costa DP. Interpolation of animal tracking data in a fluid environment. The Journal of Experimental Biology. 209: 128-40. PMID 16354784 DOI: 10.1242/Jeb.01970  0.765
2006 Crocker DE, Costa DP, Le Boeuf BJ, Webb PM, Houser DS. Impact of El Niño on the foraging behavior of female northern elephant seals Marine Ecology Progress Series. 309: 1-10. DOI: 10.3354/Meps309001  0.645
2006 Kuhn CE, McDonald BI, Shaffer SA, Barnes J, Crocker DE, Burns J, Costa DP. Diving physiology and winter foraging behavior of a juvenile leopard seal (Hydrurga leptonyx) Polar Biology. 29: 303-307. DOI: 10.1007/S00300-005-0053-X  0.794
2005 Thornton SJ, Hochachka PW, Crocker DE, Costa DP, Leboeuf BJ, Spielman DM, Pelc NJ. Stroke volume and cardiac output in juvenile elephant seals during forced dives. The Journal of Experimental Biology. 208: 3637-43. PMID 16169941 DOI: 10.1242/Jeb.01789  0.552
2005 Le Boeuf BJ, Crocker DE. Ocean climate and seal condition. Bmc Biology. 3: 9. PMID 15794819 DOI: 10.1186/1741-7007-3-9  0.355
2005 Champagne CD, Houser DS, Crocker DE. Glucose production and substrate cycle activity in a fasting adapted animal, the northern elephant seal. The Journal of Experimental Biology. 208: 859-68. PMID 15755884 DOI: 10.1242/Jeb.01476  0.711
2004 Houser DS, Crocker DE. Age, sex, and reproductive state influence free amino acid concentrations in the fasting elephant seal. Physiological and Biochemical Zoology : Pbz. 77: 838-46. PMID 15547801 DOI: 10.1086/422055  0.366
2004 Burns JM, Costa DP, Fedak MA, Hindell MA, Bradshaw CJ, Gales NJ, McDonald B, Trumble SJ, Crocker DE. Winter habitat use and foraging behavior of crabeater seals along the Western Antarctic Peninsula Deep Sea Research Part Ii: Topical Studies in Oceanography. 51: 2279-2303. DOI: 10.1016/J.Dsr2.2004.07.021  0.792
2003 Noren DP, Crocker DE, Williams TM, Costa DP. Energy reserve utilization in northern elephant seal (Mirounga angustirostris) pups during the postweaning fast: size does matter. Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology. 173: 443-54. PMID 12759767 DOI: 10.1007/S00360-003-0353-9  0.592
2003 Costa DP, Crocker DE, Gedamke J, Webb PM, Houser DS, Blackwell SB, Waples D, Hayes SA, Le Boeuf BJ. The effect of a low-frequency sound source (acoustic thermometry of the ocean climate) on the diving behavior of juvenile northern elephant seals, Mirounga angustirostris. The Journal of the Acoustical Society of America. 113: 1155-65. PMID 12597209 DOI: 10.1121/1.1538248  0.797
2001 Thornton SJ, Spielman DM, Pelc NJ, Block WF, Crocker DE, Costa DP, LeBoeuf BJ, Hochachka PW. Effects of forced diving on the spleen and hepatic sinus in northern elephant seal pups. Proceedings of the National Academy of Sciences of the United States of America. 98: 9413-8. PMID 11481497 DOI: 10.1073/Pnas.151192098  0.589
2001 Houser DS, Crocker DE, Webb PM, Costa DP. Renal function in suckling and fasting pups of the northern elephant seal Comparative Biochemistry and Physiology - a Molecular and Integrative Physiology. 129: 405-415. PMID 11423313 DOI: 10.1016/S1095-6433(00)00358-5  0.536
2001 Crocker DE, Williams JD, Costa DP, Le Boeuf BJ. Maternal traits and reproductive effort in northern elephant seals Ecology. 82: 3541-3555. DOI: 10.1890/0012-9658(2001)082[3541:Mtarei]2.0.Co;2  0.619
2001 Boehlert GW, Costa DP, Crocker DE, Green P, O'Brien T, Levitus S, Le Boeuf BJ. Autonomous Pinniped Environmental Samplers: Using Instrumented Animals as Oceanographic Data Collectors Journal of Atmospheric and Oceanic Technology. 18: 1882-1893. DOI: 10.1175/1520-0426(2001)018<1882:Apesui>2.0.Co;2  0.63
2001 Crocker DE, Gales NJ, Costa DP. Swimming speed and foraging strategies of New Zealand sea lions (Phocarctos hookeri) Journal of Zoology. 254: 267-277. DOI: 10.1017/S0952836901000784  0.626
2000 Le Boeuf BJ, Crocker DE, Costa DP, Blackwell SB, Webb PM, Houser DS. FORAGING ECOLOGY OF NORTHERN ELEPHANT SEALS Ecological Monographs. 70: 353-382. DOI: 10.1890/0012-9615(2000)070[0353:Feones]2.0.Co;2  0.628
1999 Thornton S, Block W, Spielman D, Crocker D, Costa D, Pelc N, Le Boeuf B, Hochachka P. Haemodynamics of the phocid spleen as determined by Magnetic Resonance Imaging (MRI) Comparative Biochemistry and Physiology Part a: Molecular & Integrative Physiology. 124: S22. DOI: 10.1016/S1095-6433(99)90084-3  0.509
1999 Costa D, Webb P, Crocker D, Goebel M. The role of physiology in the behavior of diving mammals: insights from animals in nature Comparative Biochemistry and Physiology Part a: Molecular & Integrative Physiology. 124: S21. DOI: 10.1016/S1095-6433(99)90080-6  0.733
1998 Crocker DE, Webb PM, Costa DP, Le Boeuf BJ. Protein catabolism and renal function in lactating Northern elephant seals Physiological Zoology. 71: 485-491. PMID 9754525 DOI: 10.1086/515971  0.627
1998 Costa DP, Gales NJ, Crocker DE. Blood volume and diving ability of the New Zealand sea lion, phocarctos hookeri Physiological Zoology. 71: 208-213. PMID 9548653 DOI: 10.1086/515911  0.613
1997 Crocker DE, Le Boeuf BJ, Costa DP. Drift diving in female northern elephant seals: Implications for food processing Canadian Journal of Zoology. 75: 27-39. DOI: 10.1139/Z97-004  0.627
1997 Burgess WC, Tyack PL, LeBoeuf BJ, Costa DP, Crocker DE. A microprocessor‐based tag to record acoustics experienced and generated by migrating northern elephant seals The Journal of the Acoustical Society of America. 102: 3197-3197. DOI: 10.1121/1.420904  0.573
1997 Costa D, Crocker D, Gedamke J, Webb P, Le Boeuf B, Waples D, Hayes S, Ganong J. Response of elephant seals to acoustic thermometry of ocean climate sound transmissions The Journal of the Acoustical Society of America. 102: 3177-3177. DOI: 10.1121/1.420823  0.706
1996 Le Boeuf BJ, Morris PA, Blackwell SB, Crocker DE, Costa DP. Diving behavior of juvenile northern elephant seals Canadian Journal of Zoology. 74: 1632-1644. DOI: 10.1139/Z96-181  0.624
1996 Costa DP, Crocker DE, Croll D, Goley D, Houser D, LeBoeuf BJ, Waples D, Webb P, Calamabokidus J. Effects of the California ATOC experiment on marine mammals The Journal of the Acoustical Society of America. 100: 2581-2581. DOI: 10.1121/1.417519  0.61
1995 CAMPAGNA C, BOEUF BJL, BLACKWELL SB, CROCKER DE, QUINTANA F. Diving behaviour and foraging location of female southern elephant seals from Patagonia Journal of Zoology. 236: 55-71. DOI: 10.1111/J.1469-7998.1995.Tb01784.X  0.352
1992 Le Boeuf BJ, Naito Y, Asaga T, Crocker D, Costa DP. Swim speed in a female northern elephant seal: metabolic and foraging implications Canadian Journal of Zoology. 70: 786-795. DOI: 10.1139/Z92-111  0.6
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