AVES GUANERAS DEL PERU PDF

Te presentamos algunas de las que viven en el litoral peruano. Las puedes ver cayendo en picada al mar, danzando para su pareja en las islas o simplemente de pie mirando al horizonte. Las aves marinas de la costa peruana destacan por su belleza y utilidad. Con sus alas desplegadas llegan a medir casi dos metros y medio de punta a punta. Viven en colonias en las islas y se alimentan de anchoveta y otros peces que capturan con ayuda de la bolsa de su pico.

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Nilabar Nidificacion y habitat del petrel de Wilson Oceanites. Smithsonian Contributions to Zoology, no. Revista Chilena de Historia Natural Potential predators present at the island include an expanding population of the Kelp Gull Larus dominicanus and the Peregrine Falcon Falco peregrinus. In Coastal and Estuarine Science.

Practical methods of estimating volume and fresh Chao — Corcovado I. La mayor parte de las aves reproductivas se hallaron cerca de la casa al este de la isla, en el sur y suroeste, donde se registraron aves guaneras y altas cantidades de garrapatas pocas golondrinas fueron halladas. In Peru the peak of laying is in April and May Ayala et al.

This species breeding in the central cost of Peru: It is possible other breeding sites exist on the Peruvian coast; also it is necessary to collect individuals in the sea of this bird because subspecies cannot be identified at sea. That specie is not protected by Peruvian Government because of lack of information. To Artisanal fishermen from Chimbote that kindly provided transport. The island is free of terrestrial predators.

Large numbers of ticks Ornithodorus amblus were present and since high densities of ticks may lead to the death of young birds and the desertion of nests or even whole colonies Duffymay explain why this area had relatively few storm petrel nests. In Proceedings of the expert consultation to examine changes in abundance and species composition of neritic fish resources.

Oceanic birds of South America, volume II. In contrast, Harris reported nests in Galapagos for O. The function of female and male ornaments in the Inca Tern: Due to nest characteristics it was impossible to detect activity otherwise.

On 24 and 25 DecemberSanta Island was visited and some abandoned eggs were found, but no adults. Development of playback census methods for Storm Petrels Hydrobates pelagicus. In Peru, Ayala et al. Nest habitat selection by eight syntopic of Mediterranean gulls and terns. The important breeding areas of Wedge-rumped storm petrel were unkwnown until recently. In the north 26 nests were counted. A nest was counted as active if eggs were visible from the burrow entrance or if adults were visible inside the nest.

The ecology of tick parasitism on densely nesting Peruvian seabirds. Estrella C, Palacios J. Plenge made some useful comments on the manuscript. Murphy reported O t kelsalli as nesting during the southern hemisphere winter. Staff inhabiting this island indicated what Wedge-rumped Storm- Petrels had nested several months previously Ayala unpub.

However, a nearby islet could not be searched due to its inaccessibility. Observers walked slowly around the stone walls, playing a tape recording of a Wedge-rumped storm petrel calling from the nest Whittington et al.

In Chile, the first egg laying may occur in late December Bernal et al. Storm petrels collected by various researchers in the Humboldt Current System between wves were reported by Murphy Primer informe del area de anidacion de la golondrina de la tempestad negra Oceanodroma markhami Salvin Breeding biology, Humboldt Current, Peruvian island, Wedge-rumped storm-petrel.

Handbook of the birds of the world. In addition, the widest and narrowest dimensions of the nest openings and their depth were measured, as were som eggs and breeding adults. Journal of Field Ornithology avrs 3: Bird islands of Peru.

Pelagic habitat of seabirds in the eastern tropical Pacific: Species assembly and diversity along marine habitat gradients.

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