La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	Breeding biology of the White-tailed Sabrewing at Tobago, West Indies
Auteurs :	F. E. Hayes, Auteur ; N. A. Trimm, Auteur ; B. Sanasie, Auteur ; R. P. Ffrench, Auteur
Type de document :	Article
Dans :	Journal of Field Ornithology (71(4) FAL 2000)
Article en page(s) :	597-605
Langues:	Anglais
Résumé :	We summarize data on the breeding biology (based on seven nests) of the White-tailed Sabrewing (Campylopterus ensipennis; Trochilidae) at Tobago, West Indies. Breeding occurred during the dry season (February-April). Nests were placed 1.75-11 m high in small dicot trees, bamboo and palms in the forest interior, usually near streams. Two white eggs were laid in bulky (7-35-cm high), cup-shaped nests: one nest contained spines from a palm (Bactris sp.). The camouflaged nestlings were quiet. During the late nestling period, a female made 1.27 feeding trips/h (10.25 h of observation) to the nest; feeding sessions averaged 0.93 min with an average of 2.0 regurgitations/nesting, and recesses off the nest averaged 44.26 min. The female fed on arthropods and nectar, and rigorously defended the nestlings.

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