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Waldens Hornbill Picture
 
 

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SPECIES INFO

The Rufous-headed Hornbill (Aceros waldeni), also known as the Visayan Wrinkled Hornbill, Walden's Hornbill or Writhed-billed Hornbill, is a critically endangered species of hornbill living in the rainforests on the islands of Negros and Panay in the Philippines. It is closely related to the Writhed Hornbill, but can be recognized by the yellow throat and ocular skin in the male, and the blue throat and ocular skin in the female (both throat and ocular skin are deep orange or red in both sexes of the Writhed Hornbill). Its binomial name commemorates the Scottish ornithologist Viscount Walden.

Habitat and behaviour Male carrying a small fruit. As most other hornbills, this species is primarily a frugivore.

Rainforests with abundant fruit-bearing trees are the natural habitat of these birds. The Rufous-headed Hornbills live in small groups and are noisy. The Rufous-headed Hornbills use natural or carved-out hollows in tree trunks for its nest. As other hornbills, they reproduce very slowly. As lack of appropriate nesting sites is a problem, nest boxes are being attached to tree trunks in certain reserves.

Status

This is a critically endangered species. Rufous-headed Hornbills reproduce very slowly and thus are unable to survive high hunting pressures coupled with heavy logging of the rainforests. It is presumed extinct on Guimaras and now survives only on Negros and Panay. The total population has been estimated at less than 160, though recent work from the Central Panay Mountain Range suggests 600-700 pairs may remain there. No recent figures are available for Negros, where it may be functionally extinct.





                                     



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