Diving behavior and foraging areas of the neotropic cormorant at a marine colony in Patagonia, Argentina

The Neotropic Cormorant (Phalacrocorax brasilianus) is a widespread and abundant species distributed throughout the Neotropics. We report on diving behavior and foraging areas of Neotropic Cormorants in inshore marine waters of Patagonia, Argentina. Mean dive duration was 18.9 ± 5.3 sec and differed...

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Autor principal: Quintana, Flavio Roberto
Otros Autores: Yorio, Pablo Martín, Lisnizer, Nora, Gatto, A., Soria, G.
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: Wilson Ornithological Society 2004
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024 7 |2 scopus  |a 2-s2.0-4043132967 
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100 1 |a Quintana, Flavio Roberto 
245 1 0 |a Diving behavior and foraging areas of the neotropic cormorant at a marine colony in Patagonia, Argentina 
260 |b Wilson Ornithological Society  |c 2004 
270 1 0 |m Quintana, F.; Centro Nacional Patagónico, Wildlife Consrvation Society, Blvd. Brown 3500, (9120) Puerto Madryn, Chubut, Argentina; email: quintana@cenpat.edu.ar 
504 |a Aramburu, R.H., Bo, N.A., Descripción de colonias de nidificación (Delta del Paraná y Golfo San José, Chubut) y estudio de los estados juveniles de Phalacrocorax brasilianus (Gmelin) (1961) Revista del Museo de Ciencias Naturales de la Plata, 7, pp. 107-121 
504 |a Bo, N.A., Observaciones ecológicas y etológicas sobre el Biguá (1956) Hornero, 10, pp. 147-157 
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504 |a Morrison, M.L., Slack, R.D., Shanley Jr., E., Age and foraging ability relationships of Olivaceous Cormorants (1978) Wilson Bulletin, 90, pp. 414-422 
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504 |a Quintana, F., Diving behavior of Rock Shags at a Patagonian Colony of Argentina (1999) Waterbirds, 22, pp. 466-471 
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504 |a Wood, A.G., Naef-Daenzer, B., Prince, P.A., Croxall, J.P., Quantifying habitat use in satellite-tracked pelagic seabirds: Application of kernel estimation to albatross locations (2000) Journal of Avian Biology, 31, pp. 278-286 
504 |a Yorio, P., Frere, E., Gandini, P., Conway, W., Status and conservation of seabirds breeding in Argentina (1999) Bird Conservation International, 9, pp. 299-314 
504 |a Yorio, P., Frere, E., Gandini, P., Harris, G., (1998) Atlas de la Distribución Reproductiva de Aves Marinas en El Litoral Patagónico Argentino. Plan de Manejo Integrado de la Zona Costera Patagónica, , Fundación Patagonia Natural and Wildlife Conservation Society. Instituto Salesiano de Artes Gráficas, Buenos Aires, Argentina 
504 |a Yorio, P., Quintana, F., Campagna, C., Harris, G., Diversidad, abundancia y dinámica espaciotemporal de la colonia mixta de aves marinas en Punta León, Patagonia (1994) Ornitología Neotropical, 5, pp. 69-77 
506 |2 openaire  |e Política editorial 
520 3 |a The Neotropic Cormorant (Phalacrocorax brasilianus) is a widespread and abundant species distributed throughout the Neotropics. We report on diving behavior and foraging areas of Neotropic Cormorants in inshore marine waters of Patagonia, Argentina. Mean dive duration was 18.9 ± 5.3 sec and differed significantly among birds. Maximum dive duration was 43 sec. Birds spent 58-79% of their time at sea underwater. Mean recovery time at the surface between successive dives was 6.7 ± 1.5 sec, and was also significantly different among individuals. Mean diving efficiency (mean dive duration time/mean recovery time) was 2.6 ± 0.5 (range: 0.5-4.6). We were able to locate birds while feeding on 112 of 215 occasions. Almost 90% of mapped locations (68 feeding trips) were within 2.5 km of the colony. However, we did not receive a signal on 103 occasions, suggesting that foraging may also occur in waters outside the inlet where the colony was located. High variability in dive duration and recovery time is congruent with flexible foraging techniques and diet, as Neotropic Cormorants feed on both bottom and pelagic schooling fish.  |l eng 
593 |a Centro Nacional Patagónico, Wildlife Consrvation Society, Blvd. Brown 3500, (9120) Puerto Madryn, Chubut, Argentina 
593 |a Fac. de Ciencias Naturales Y Museo, Univ. Nacional de la Plata, (1900), La Plata, Buenos Aires, Argentina 
593 |a Fac. de Ciencias Exactas Y Naturales, Univ. de Buenos Aires, (C1428EHA), Buenos Aires, Argentina 
593 |a Univ. Nacional de la Patagonia, Blvd. Brown 3700, (9120) Puerto Madryn, Chubut, Argentina 
650 1 7 |2 spines  |a AVES 
651 4 |a SOUTH AMERICA 
690 1 0 |a DIET 
690 1 0 |a DIVING BEHAVIOR 
690 1 0 |a FEEDING GROUND 
690 1 0 |a FORAGING BEHAVIOR 
690 1 0 |a SEABIRD 
690 1 0 |a PATAGONIA 
690 1 0 |a PHALACROCORACIDAE 
690 1 0 |a PHALACROCORAX 
690 1 0 |a PHALACROCORAX BRASILIANUS 
690 1 0 |a PHALACROCORAX BRASILIANUS 
700 1 |a Yorio, Pablo Martín 
700 1 |a Lisnizer, Nora 
700 1 |a Gatto, A. 
700 1 |a Soria, G. 
773 0 |d Wilson Ornithological Society, 2004  |g v. 116  |h pp. 83-88  |k n. 1  |p Wilson Bull.  |x 00435643  |t Wilson Bulletin 
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