2005年9月
Yellow wing-patch of a nestling Horsfield's hawk cuckoo Cuculus fugax induces miscognition by hosts: Mimicking a gape?
Journal of Avian Biology
- ,
- ,
- 巻
- 36
- 号
- 5
- 開始ページ
- 461
- 終了ページ
- 464
- 記述言語
- 英語
- 掲載種別
- 研究論文(学術雑誌)
- DOI
- 10.1111/j.2005.0908-8857.03439.x
A chick of the Horsfield's hawk cuckoo Cuculus fugax has a vivid yellow skin patch on each wing-bend, which is very similar in colour to its own gape. Almost every time a host parent delivers food, the chick explicitly displays the wing-patch by raising and shaking the wing. We observed that host parents tried to place food onto the wing-patch of the nestling instead of into its mouth. The wing-patch would be perceived as a gape by host parents, possibly resulting in an overestimation of brood size. Signals induced by the wing-patch may vary with the luminosity of environments. © Journal of Avian Biology.
- ID情報
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- DOI : 10.1111/j.2005.0908-8857.03439.x
- ISSN : 0908-8857
- SCOPUS ID : 26444516080