Insights into the foraging behaviour of an understudied orca population


  • Mel Cosentino Wild Earth Foundation, Av de las Ballenas 9500, U9121XAQ, Puerto Pirámides, Peninsula Valdes, Chubut
  • Nacho Oria Sedna Project, Calle Remences 6, 17005 Girona



Feeding ecology, Behaviour


Amerson, A., and Parsons, E. C. M. (2018). Evaluating the sustainability of the gray-whale-watching industry along the pacific coast of North America, J. Sustain. Tour., 9582, 1–19. doi:10.1080/09669582.2018.1449848

Arellano-Peralta, V. A., and Medrano-González, L. (2015). Ecology, conservation and human history of marine mammals in the Gulf of California and Pacific coast of Baja California, Mexico, Ocean Coast. Manag., 104, 90–105. doi:10.1016/j.ocecoaman.2014.12.004

Baird, R. W., and Dill, L. M. (1995). Occurrence and behaviour of transient killer whales: seasonal and pod-specific variability, foraging behaviour, and prey handling, Can. J. Zool.,. doi:10.1139/z95-154

Beck, S., Kuningas, S., Esteban, R., and Foote, A. D. (2012). The influence of ecology on sociality in the killer whale (Orcinus orca), Behav. Ecol., 23, 246–253. doi:10.1093/beheco/arr151

Bigg, M., Olesiuk, P. F., Ellis, G. M., Ford, J. K. B., and Balcomb, K. C. (1990). Social organizations and genealogy of resident killer whales (Orcinus orca) in the coastal waters of British Columbia and Washington State, Reports Int. Whal. Comm. (Special Issue 12), doi: 10.1098/rsbl.2010.0638. doi:10.1098/rsbl.2010.0638

Chávez-Ramírez, R., and de la Cueva-Salcedo, H. (2009). Sustentabilidad y regulación de la observación de ballenas en México, Rev. Legis. Estud. Soc. y Opinión Pública, 2, 231–262.

Coscarella, M. A., Bellazzi, G., Gaffet, M. L., Berzano, M., and Degrati, M. (2015). Technique used by killer whales (Orcinus orca) when hunting for dolphins in Patagonia, Argentina, Aquat. Mamm., 41, 1–6. doi:10.1578/AM.41.2.2015.

Cosentino, A. M. (2015). First record of Norwegian killer whales attacking and feeding on a harbour porpoise, Mar. Biodivers. Rec., 8, 1–5. doi:10.1017/S1755267215000895

Dahlheim, M. E., Schulman-Janiger, A., Black, N. A., Ternullo, R., Ellifrit, D. K. D., Balcomb, K. C., Dahlheim, M. E., et al. (2008). Eastern temperate North Pacific offshore killer whales (Orcinus orca): Occurrence, movements, and insights into feeding ecology, Mar. Mammal Sci., 24, 719–729. doi:10.1111/j.1748-7692.2008.00206.x

Fleischer, L. (2002). La ballena gris: mexicana por nacimiento, La Ciencia para Todos, Ciudad de México, México.

Ford, J. K. B., Ellis, G. M., Barrett-Lennard, L. G., Morton, A. B., and Balcomb, K. C. (1998). Dietary specialization in two sympatric populations of killer whales (Orcinus orca) in coastal British Columbia and adjacent waters, Can. J. Zool., 76, 1456–1471. doi:10.1103/PhysRevLett.119.202002

Forney, K. A., and Wade, P. R. (2007). Worldwide Distribution and Abundance of Killer Whales, Whales, Whaling, Ocean Ecosyst., pp. 145–162. doi:10.1525/california/9780520248847.003.0012

Goley, P. D., and Straley, J. M. (1994). Attack on gray whales (Eschrichtius robustus) in Monterey Bay, California, by killer whales (Orcinus orca) previously identified in Glacier Bay, Alaska, Can. J. Zool., 72, 1528–1530. doi:10.1139/z94-202

Guerrero-Ruiz, M., García-Godos, I., and Urbán R., J. (2005). Photographic match of a killer whale (Orcinus orca) between Peruvian and Mexican waters, Aquat. Mamm., 31, 438–441. doi:10.1578/AM.31.4.2005.438

Guerrero-Ruiz, M., Gendron, D., and Urbán R., J. (1998). Distribution, movements and communities of killer whales (Orcinus orca) in the Gulf of California, Mexico, Rep. Int. Whal. Com., 48, 537–543.

Guerrero-Ruiz, M., Pérez-Cortés M., H., Salinas Z., M., and Urbán R., J. (2006). First Mass Stranding of Killer Whales (Orcinus orca) in the Gulf of California, Mexico, Aquat. Mamm., 32, 265–272. doi:10.1578/AM.32.3.2006.265

Hoelzel, A. R., and Heolzel, A. R. (1991). Killer whale predation on marine mammals at Punta Norte, Argentina: food sharing, provisioning and foraging strategy, Behav. Ecol. Sociobiol., 29, 197–204.

Jefferson, T. A., Stacey, P. J., and Baird, R. W. (1991). A review of killer whale interactions with other marine mammals: predation to co-existence, Mamm. Rev., 21, 151–180.

Jourdain, E., and Vongraven, D. (2017). Humpback whale (Megaptera novaeangliae) and killer whale (Orcinus orca) feeding aggregations for foraging on herring (Clupea harengus) in Northern Norway, Mamm. Biol. - Zeitschrift für Säugetierkd., 86, 27–32. doi:10.1016/j.mambio.2017.03.006

López, J. C., and López, D. (1985). Killer whales (Orcinus orca) of Patagonia, and their behavior of intentional stranding while hunting nearshore, J. Mammal., 66, 181–183. doi:10.2307/1380981

Pitman, R. L., and Durban, J. W. (2012). Cooperative hunting behavior, prey selectivity and prey handling by pack ice killer whales (Orcinus orca), type B, in Antarctic Peninsula waters, Mar. Mammal Sci., 28, 16–36. doi:10.1111/j.1748-7692.2010.00453.x

Schwoerer, T., Knowler, D., and Garcia-Martinez, S. (2016). The value of whale watching to local communities in Baja, Mexico: A case study using applied economic rent theory, Ecol. Econ., 127, 90–101. doi:10.1016/j.ecolecon.2016.03.004

Similä, T., and Ugarte, F. (1993). Surface and underwater observations of cooperatively feeding killer whales in northern Norway, Can. J. Zool., 71, 1494–1499. doi:10.1139/z93-210

Sironi, M., López, J. C., Bubas, R., Carribero, A., García, C., Harris, G., Intrieri, E., et al. (2008). Predation by killer whales (Orcinus orca) on southern right whales (Eubalaena australis) off Patagonia, Argentina: effects on behavior and habitat choice, J. Ceatcean Res. Manag., 60.

Troyo Vega, B., Arnaud Franco, G., Galina Tessaro, P., Urbán Ramírez, J., Swartz, S., and Ortega Rubio, A. (2018). Evaluación del servicio turístico en el avistamiento de la ballena gris: Baja California Sur, México, Econ. Soc. y Territ., xviii, 853–880. doi:10.22136/est01246