La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	Nest predators of Lance-tailed Manakins on Isla Boca Brava, Panama
Auteurs :	Jennifer L. Reidy, Auteur
Type de document :	Article
Dans :	Journal of Field Ornithology (80(2) JUN 2009)
Article en page(s) :	115-118
Langues:	Anglais
Résumé :	Nest predation is often the primary cause of nest failure for passerines. Despite this, little is known about predation rates and the nest predators of birds in the tropics. I used video cameras to monitor seven Lance-tailed Manakin (Chiroxiphia lanceolata) nests on Isla Boca Brava, Panama. One nest fledged young and six nests failed due to predation. I recorded five predation events involving four avian predators and one mammalian predator. Crested Oropendolas (Psarocolius decumanus) predated two nests and a Roadside Hawk (Buteo magnirostris) and a Black-chested Jay (Cyanocorax affinis) each predated one. The mammalian predator was a common opossum (Didelphis marsupialis). All avian predation was diurnal; the mammalian predation was nocturnal. My results suggest that tropical birds are subject to a diverse suite of nest predators, and that avian predators may be an important cause of nest failure at my study site.

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