La Tour du Valat

Article

Breeding biology, nest site characteristics and nest spacing of the Visayan Tarictic Hornbill Penelopides panini panini on Panay, Philippines

E. Klop, Auteur ; E. Curio, Auteur ; L. L. Lastimoza, Auteur

Dans Bird Conservation International (10(1) MAR 2000)

Monitoring of nests of the Visayan Tarictic Hornbill Penelopides panini panini on the Philippine island of Panay revealed thus far undescribed information on the breeding biology of this species. Females occupied nest holes in March-April, after[...]

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Article

On how birds protect their eyes: division of labour between the upper lid, lower lid and the nictitating membrane

E. Curio, Auteur

Dans Journal of Ornithology (142(3) JUL 2001)

Birds close their eyes during sleep in various taxon-specific ways. Either the lower lid moves up as in the majority of species including the Anseres, Accipitres. Falconiformes, Galli, Charadrioidea, Columbiformes, and Oscines; or the upper lid [...]

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Article

On ornamental maturation of two Philippine hornbill species with a note on physiological colour change

E. Curio, Auteur

Dans Journal of Ornithology (145(3) JUL 2004)

Two Philippine hornbill species, the Visayan writhed-billed hornbill (Aceros waldeni) and the Visayan tarictic hornbill (Penelopides panini panini), display on their heads multiple sexual ornaments in both sexes. An account is given of the matur[...]

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