Foraging trips of female South American sea lions (Otaria flavescens) from Isla Chañaral, Chile

Lily Muñoz, Guido Pavez, Patricia Inostroza, Maritza Sepulveda


Feeding ecology; Otaria flavescens; Foraging trips

Full Text:



Arnould, J.P.Y and Boyd, I. L. (1996) The relationship between foraging behaviour and energy expenditure in Antarctic fur seals. Journal of Zoology 239: 769-782.

Arnould, J.P. and Hindell, M.A. (2001) Dive behavior, foraging locations, and maternal-attendance patterns of Australian fur seals (Arctocephalus pusillus doriferus). Canadian Journal of Zoology 79: 35-48.

Atkinson, S. (1997) Reproductive biology of seals. Reviews of Reproduction 2: 175-194.

Bailleul, F., Luque, S., Dubroa, L., Arnould, J.P.Y. and Guinet, C. (2005) Differences in foraging strategy and maternal behavior between two sympatric fur seal species at the Crozet Islands. Marine Ecology Progress Series 293: 273282.

Boness, D.J. and Bowen, W.D. (1996) The evolution of maternal care in pinnipeds. Bioscience 46: 645-654.

Bonner, W.N. (1984) Lactation strategies in pinnipeds: problems for a marine mammal group. Symposium Zoological Society London 51: 253-272.

Boyd, I.L. (2000) State-dependent fertility in pinnipeds: contrasting capital and income breeders. Functional Ecology 14: 623-630,

Boyd, I.L., Arnould, J.P., Barton, T. and Croxall, J.P. (1994) Foraging behavior of Antarctic fur seals during periods of contrasting prey abundance. Journal of Animal Ecology 63: 703-713.

Campagna, C. and Le Boeuf, B. J. (1988) Reproductive behavior of southern sea lions. Behavior 104: 233-261.

Campagna, C., Werner, R., Karesh, W., Marín, M., Koontz, F., Cook, R. and Koontz, C. (2001) Movements and location at sea of South American sea lions (Otaria flavescens). Journal of Zoology 257: 205-220.

FAO Yearbook (2003). Yearbook of Fisheries Statistics Vol. 93. Rome, Italy. Foro para la Conservación del Mar Patagónico y Áreas de Influencia (2008) Síntesis del estado de conservación del Mar Patagónico y áreas de influencia. Edición del Foro, Puerto Madryn, Argentina.

Francis, J., Boness, D. and Ochoa-Acuña, H. (1998) A protracted foraging and attendance cycle in female Juan Fernández fur seals. Marine Mammal Science 14: 552-574.

Hammill, M.O. (2002) Earless seals. Pages 352-358 in Perrin, W.F., Würsig, B. and Thewissen, J.G.M. (Eds) Encyclopedia of Marine Mammals. Academic Press, San Diego, USA.

Harcourt, R.G., Schulman, A., Davis, L.S. and Trillmich F. (1995) Summer foraging by lactating female New Zealand fur seals (Arctocephalus forsteri) off Otago Peninsula, New Zealand. Canadian Journal of Zoology 73: 678-690.

Harcourt, R.G., Bradshaw, C.J., Dickson, K. and Davis, L.S. (2002) Foraging ecology of a generalist predator, the female New Zealand fur seal. Marine Ecology Progress Series 227: 11-24.

Kirkwood, R., Gales, R., Terauds, A., Arnould, J.P.Y., Pemberton, D., Shaughnessy, P.D., Mitchell. A.T. and Gibbens J. (2005) Pup production and population trends of the Australian fur seal (Arctocephalus pusillus doriferus). Marine Mammal Science 21:260-282.

McCafferty, D., Boyd, I.L., Walker, T.R. and Taylor, R.Y. (1998) Foraging responses of Antarctic fur seals to changes in the marine environment. Marine Ecology Progress Series 166: 285-299.

Montecino, V., Pizarro, C. and Quiroz, D. (1996) Dinámica fitoplanctónica en el sistema de surgencia frente a Coquimbo (30°S) a través de la relación funcional entre fotosíntesis e irradianza (P-I). Gayana Oceanologia 4: 139-151.

Montecino, V. and Quiroz, D. (2000) Specific primary production and phytoplankton cell size structure in an upwelling area off the coast of Chile (30°S). Aquatic Sciences 62: 364-380.

Neira, S. and Arancibia, H. (2004) Trophic interactions and community structure in the Central Chile marine ecosystem (33°S-39°S). Journal of Experimental Marine Biology and Ecology 312: 349-366.

Oftedal, O., Boness, D. and Tedman, R. (1987) The behavior, physiology and anatomy of lactation in the Pinnipedia. Pages 175-245 in Genoways, H.H. (Ed) Current Mammalogy. Plenum Publishing Corporation, New York, USA.

Pérez, M.J., Thomas, F., Uribe, F., Sepúlveda, M., Flores, M. and Moraga, R. (2006) Fin whales (Balaenoptera physalus) feeding on Euphasia mucronata in nearshore waters off North- Central Chile. Aquatic mammals 32: 109-113.

Rehberg, M.J., Andrews, R.D., Swain, U.G. and Calkins, D.G. (2009) Foraging behavior of adult female Steller sea lions during the breeding season in Southeast Alaska. Marine Mammal Science 25: 588-604.

Riedman, M. (1990) The pinnipeds: seals, sea lions and walruses. University of California Press, Berkeley, California, USA.

Sepúlveda, M., Pérez, M.J., López, P. and Moraga, R. (2007) Presence and re-sighting of southern elephant seal, Mirounga leonina (L. 1758), on the central coast of Chile. Latin American Journal of Aquatic Mammals 6: 199-202.

Sherman, K. (1994) Sustainability, biomass yields, and health of coastal ecosystems: an ecological perspective. Marine Ecology Progress Series 112: 277-301.

Soto, K.H., Trites, A.W. and Arias-Schreiber, M. (2006) Change in diet and maternal attendance of South American sea lions indicate changes in the marine environment and prey abundance. Marine Ecology Progress Series 312: 277-290.

Staniland, I.J., Gales, N., Warren, N.L., Robinson, S.L., Goldsworthy, S.D. and Casper, R.M. (2010) Geographical variation in the behavior of a central place forager: Antarctic fur seals foraging in contrasting environments. Marine Biology 11: 2383-2396.

Thompson, D., Duck, C.D., Mc Conell, B.J. and Garret, J. (1998) Foraging behavior and diet of lactating female southern sea lions (Otaria flavescens) in the Falkland Islands. Journal of Zoology 246: 135-146. x

Vaz-Ferreira, R. (1982) Otaria flavescens (SHAW), South American sea lion. Pages 447-495 in Mammals in the seas: small cetaceans, seals, sirenians and otters. FAO Fisheries Series 5, Rome, Italy.

Zar, J.H. (1996) Biostatical analysis. 3rd ed. Prentice-Hall, New Yersey, USA.



  • There are currently no refbacks.