Multiple foraging strategies in a marine apex predator, the Galapagos sea lion Zalophus wollebaeki

Marine Ecology Progress Series

Volumn 363, Issue , 2008, Pages 299-309

  Villegas Amtmann, Stella ^a   Costa, Daniel P ^a   Tremblay, Yann ^a   Salazar, Sandie ^b,c   Aurioles Gamboa, David ^b  

^a UNIVERSITY OF CALIFORNIA   (United States)

^b INSTITUTO POLITÉCNICO NACIONAL   (Mexico)

^c Charles Darwin Foundation   (Ecuador)

Author keywords

Diving behaviour; Foraging behaviour; Galapagos Islands; Galapagos sea lion; Habitat utilization; Individual specialization; Zalophus wollebaeki

Indexed keywords

ARCHIPELAGO; BENTHOS; BIOTELEMETRY; DIVING BEHAVIOR; ENDANGERED SPECIES; FORAGING BEHAVIOR; HABITAT USE; MARINE PARK; PINNIPED; PREDATOR; SPECIALIZATION; SPECIES CONSERVATION; TELEMETRY;

ECUADOR; GALAPAGOS ISLANDS; PACIFIC ISLANDS; PACIFIC OCEAN; SOUTH AMERICA;

OTARIIDAE; VERTEBRATA; ZALOPHUS WOLLEBAEKI;

EID: 49449109913     PISSN: 01718630     EISSN: None     Source Type: Journal    
DOI: 10.3354/meps07457     Document Type: Article

References (51)

1. Baine M, Howard M, Kerr S, Edgar G, Toral V (2007) Coastal and marine resource management in the Galapagos Islands and the Archipelago of San Andres: issues, problems and opportunities. Ocean Coast Manag 50:148-173
2. Benoit-Bird KJ, Würsig B, McFadden CJ (2004) Dusky dolphin (Lagenorhynchus obscurus) foraging in two different habitats: active acoustic detection of dolphins and their prey. Mar Mamm Sci 20:215-231
3. Blake RW (1983) Energetics of leaping in dolphins and other aquatic animals. J Mar Biol Assoc UK 63:61-70
4. Bolnick DI, Svanbäck R, Fordyce JA, Yang LH, Davis JM, Hulsey CD, Forister ML (2003) The ecology of individuals: incidence and implications of individual specialization. Am Nat 161:1-28
5. Bost CA, Georges JY, Guinet C, Cherel Y and others (1997) Foraging habitat and food intake of satellite-tracked king penguins during the austral summer at Crozet Archipelago. Mar Ecol Prog Ser 150:21-33
6. Boyd IL, Croxall JP (1992) Diving behavior of lactating Antarctic fur seals. Can J Zool 70:919-928
7. Boyd IL, McCafferty DJ, Walker TR (1997) Variation in foraging effort by lactating Antarctic fur seals: response to simulated increased foraging costs. Behav Ecol Sociobiol 40:135-144
8. Cherel Y, Guinet C, Tremblay Y (1996) Fish prey of Antarctic fur seals Arctocephalus gazella at Ile de Croy, Kerguelen. Polar Biol 17:87-90
9. Cooper J (1986) Diving patterns of cormorants Phalacrocoracidae. Ibis 128:562-570
10. Costa DP (2008) A conceptual model of the variation in parental attendance in response to environmental fluctuation: foraging energetics of lactating sea lions and fur seals. Aquat Conserv 17:S44-S52
11. Costa DP, Gales NJ (2000) Foraging energetics and diving behavior of lactating New Zealand sea lions, Phocarctos hookeri. J Exp Biol 203:3655-3665
12. Costa DP, Gales NJ (2003) Energetics of a benthic diver: seasonal foraging ecology of the Australian sea lion, Neophoca cinerea. Ecol Monogr 73:27-43
13. Costa DP, Kuhn CE, Weise MJ, Shaffer SA, Arnould JPY (2004) When does physiology limit the foraging behavior of freely diving mammals? Intl Congr Ser 1275:359-366
14. Croxall JP, Naito Y, Kato A, Rothery P, Briggs DR (1991) Diving patterns and performance in the Antarctic blue-eyed shag Phalacrocorax atriceps. J Zool Lond 225:177-200
15. Dellinger T, Trillmich F (1999) Fish prey of the sympatric Galapagos fur seals and sea lions: seasonal variation and niche separation. Can J Zool 77:1204-1216
16. Doebeli M (1996) An explicit genetic model for ecological character displacement. Ecology 77:510-520
17. Eckert SA (2006) High-use oceanic areas for Atlantic leatherback sea turtles (Dermochelys coriacea) as identified using satellite telemetered location and dive information. Mar Biol 149:1257-1267
18. Estes JA, Riedman ML, Staedler MM, Tinker MT, Lyon BE (2003) Individual variation in prey selection by sea otters: patterns, causes and implications. J Anim Ecol 72:144-155
19. Fariña JM, Salazar S, Wallem KP, Witman JD, Ellis JC (2003) Nutrient exchanges between marine and terrestrial ecosystems: the case of the Galapagos sea lion Zalophus wollebaecki. J Anim Ecol 72:873-887
20. Feldkamp SD, DeLong RL, Antonelis GA (1989) Diving patterns of California sea lions, Zalophus californianus. Can J Zool 67:872-883
21. Feldman GC (1986) Patterns of phytoplankton production around the Galapagos islands, Vol 17. Springer-Verlag, Berlin
22. Froese R, Pauly D (eds) (2006) FishBase. www.fishbase.org
23. Gales NJ, Mattlin RH (1997) Summer diving behavior of lactating New Zealand sea lions, Phocarctos hookeri. Can J Zool 75:1695-1706
24. Goebel ME, Bengtson L, DeLong RL, Gentry RL, Lougluin TR (1991) Diving patterns and foraging locations of female northern fur seals. Fish Bull (Wash DC) 89:171-179
25. Heath CB (2002) California, Galapagos, and Japanese sea lions Zalophus californianus, Z. wollebaeki, and Z. japonicus. In: Perrin WF, Wursig B, Thiewissen JGM (eds) Encyclopedia of marine mammals. Academic Press, London, p 180-186
26. Hopkins-Murphy SR, Owens DW, Murphy TM (2003) Ecology of immature loggerheads on foraging grounds and adults in internesting habitat in the eastern Unites States. In: Bolten AB1 Witherington BE (eds) Loggerhead sea turtles. Smithsonian Institution Press, Washington, DC, p 79-92
27. Kooyman GL, Trillmich F (1986) Diving behavior of Galapagos sea lions. In: Gentry RL, Kooyman GL (eds) Fur seals: maternal strategies on land at and sea. Princeton University Press, Princeton, NJ, p 209-219
28. Kooyman GL, Cherel Y, Le Maho Y, Croxall JP, Thorson PH, Ridoux V, Kooyman CA (1992) Diving behaviour and energetics during foraging cycles in king penguins. Ecol Monogr 62:143-163
29. Kuhn CE (2006) Measuring feeding to understand the foraging behavior of pinnipeds. PhD thesis, University of California Santa Cruz
30. LeBoeuf BJ, Costa DP, Huntley AC, Kooyman GL, Davis RW (1986) Pattern and depth of dives in northern elephant seals. J Zool 208:1-7
31. Lomnicki A, Ombach J (1984) Resource partitioning within a single species population and population stability: a theoretical model. Theor Popul Biol 25:21-28
32. McGarigal K, Cushman S, Stafford S (2000) Multivariate statistics for wildlife and ecology research. Springer-Verlag, New York
33. McMahon CR, Bradshaw CJA, Hays GC (2007) Satellite tracking reveals unusual diving characteristics for a marine reptile, the olive ridley turtle Lepidochelys olivacea. Mar Ecol Prog Ser 329:239-252
34. Merrick RL, Loughlin TR (1997) Foraging behavior of adult female and young-of-the-year Steller sea lions in Alaska waters. Can J Zool 75:776-786
35. Pak H, Zanveld JRV (1973) The Cromwell Current on the east side of the Galapagos Islands. J Geophys Res 78:7845-7859
36. Rosenzweig ML (1978) Competitive speciation. Biol J Linn Soc 10:275-289
37. Roughgarden J (1972) Evolution of niche width. Am Nat 106:683-718
38. Salazar SK (2005) Variación temporal y espacial del espectro trófico del lobo marino de Galápagos. Master's thesis, Instituto Politécnico National, La Paz
39. Seal Specialist Group (1996) Zalophus wollebaeki. In: IUCN 2007. 2007 IUCN Red List of Threatened species. Available at: www.iucnredlist.org
40. Staniland IJ, Reid K, Boyd IL (2004) Comparing individual and spatial influences on foraging behavior in Antarctic fur seals Arctocephalus gazella. Mar Ecol Prog Ser 275:263-274
41. Thompson D, Dick CD, McConnell BJ, Garrett J (1998) Foraging behavior and diet of lactating female southern sea lions (Otaria flavescens) in the Falkland Islands. J Zool Lond 246:135-146
42. Tinker MT, Costa DP, Estes JA, Wieringa N (2007) Individual dietary speciahzation and dive behaviour in the California sea otter: using archival time-depth data to detect alternative foraging strategies. Deep-Sea Res 54:330-342
43. Tremblay Y, Cherel Y (2000) Benthic and pelagic dives: a new foraging behavior in rockhopper penguins. Mar Ecol Prog Ser 204:257-267
44. Tremblay Y, Cherel Y (2003) Geographic variation in the foraging behavior, diet and chick growth of rockhopper penguins. Mar Ecol Prog Ser 251:279-297
45. Trillmich F (1986) Attendance behavior of Galapagos sea lions. In: Gentry RL, Kooyman GL (eds) Fur seals: maternal strategies on land and sea. Princeton University Press, Princeton, NJ, p 196-208
46. Trillmich F, Limberger D (1985) Drastic effects of El Niño on Galapagos pinnipeds. Oecologia 67:19-22
47. Weise MJ, Costa DP (2007) Total body oxygen stores and physiological diving capacity of California sea lions as a function of sex and age. J Exp Biol 210:278-289
48. Werner EE, Mittelbach GG, Hall DJ (1981) The role of foraging profitability and experience in habitat use by the bluegill sunfish. Ecology 62:116-125
49. Williams TD, Briggs DR, Croxall JP, Naito Y, Kato A (1992) Diving pattern and performance in relation to foraging ecology in the gentoo penguin, Pygoscelis papua. J Zool Lond 227:211-230
50. Williams TM (2001) Intermittent swimming by mammals: a strategy for increasing energetic efficiency during diving. Am Zool 41:166-176
51. Wolf JBW, Trillmich F (2007) Beyond habitat requirements: individual fine-scale site fidelity in a colony of the Galapagos sea lion (Zalophus wollebaeki) creates conditions for social structuring. Oecologia 152:553-567