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Researcher Information


Dr. Costa is currently a Professor of Ecology and Evolutionary Biology at the University of California at Santa Cruz. He has specialized on the physiological and ecological studies of marine mammals and seabirds for the last 33 years. He has extensive experience both in the lab and field with a large number of marine mammals and seabirds including wandering, black browed and gray headed albatrosses, Chinstrap, adelie and king penguins, sea otters, bottlenose dolphins, California, Galapagos, Australian and Steller sea lions, Antarctic, northern, Galapagos, Australian New Zealand fur seals and on elephant, harbor, and Weddell seals. He has extensive experience with the deployment of electronic tags on marine mammals and seabirds, having been involved in the development time depth recorders using both photographic and electronic methods since 1978. He was involved in the first deployment of time depth recorders on Weddell seals in 1978-79 and on elephant seals in 1983.

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Professor of Ecology and Evolutionary Biology
Selected Publications

Fowler, S.L., Costa, D.P., Arnould, J.P.Y. 2007. Ontogeny of Movements and Foraging Ranges in the Australian Sea Lion. Marine Mammal Science 10.1111/j.1748-7692

Fowler, S.L., Costa, D.P., Arnould, J.P.Y., Gales, N.J., and Burns, J.M. 2007. Ontogeny of oxygen stores and physiological diving capability in Australian sea lions. Function Ecology 21, 922-935

Fowler, S.L., Costa, D.P., Arnould, J.P., Gales, N.J., and Kuhn, C.E. 2006. Ontogeny of diving behaviour in the Australian sea lion: trials of adolescence in a late bloomer. Journal of Animal Ecology 75, 358-367

Shaffer, S.A., Costa, D.P., and Williams, T.M. 1998. Diving and performance of White Whales, Delphinapterus leucas. Journal Exp. Biology 200:3091-3099.

Costa, D.P., Gales, N.J., and Crocker, D.E. 1998. Blood volume and diving ability of the New Zealand sea lion, Phocarctos hookeri. Physiological Zoology 71:208-213.

Andrews, R.D., Jones, D.R., Williams, J.D., Thorson, P.H., Oliver, G.W., Costa, D.P., and LeBoeuf, B.J. 1997. Heart rate and oxygen consumption of northern elephan seals during diving. Journal of Experimental Biology 200:2083-2095.

Gales, N.J., Costa, D.P. and Kretzmann M.B. 1996. Proximate composition of Australian sea lion milk throughout the entire supra-annual lactation period. Australian Journal of Zoology 44:651-657

Crocker, D.E., LeBoeuf, B.J., and Costa, D.P. 1996. Drift Diving in female northern elephant seals: Implications for food processing. Canadian Journal Zoology 75:27-39.

Fletcher, S., LeBoeuf, B.J., Costa, D.P., and Tyack, P.L. 1996. Onboard acoustic recording from diving elephant seals. Journal of the Acoustical Society of America 100(4):2531-2539.

LeBoeuf, B.J., Morris, P.A., Blackwell, S.B., Crocker, D.E., and Costa, D.P. 1996. Diving behavior of juvenile northern elephant seals. Canadian J. Zool. 74:1632-1644.