La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	Parental food provisioning is unrelated to manipulated offspring food demand in a nocturnal single-provisioning alcid, the Rhinoceros Auklet
Auteurs :	A. Takahashi, Auteur ; M. Kuroki, Auteur ; Y. Niizuma, Auteur ; Y. Watanuki, Auteur
Type de document :	Article
Dans :	Journal of Avian Biology (30(4) DEC 1999)
Article en page(s) :	486-490
Langues:	Anglais
Résumé :	The effects of offspring food demand on the regulation of parental food provisioning were examined in the Rhinoceros Anklet Cerorhincha monocerata, a nocturnal single-provisioning species, by conducting mate removal and supplementary feeding experiments, Parents did not adjust their level of food provisioning in response to an increased or a decreased chick food demand, contrasting with previous studies of the Atlandtic Puffin Fratercula arctica and procellariiforms that provision their chicks at shorter intervals. The chicks reared by a single parent grew more slowly while those receiving supplementary food grew faster and fledged heavier and younger, The body condition of parents did not change.

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