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Yellow-billed Cacique (Amblycercus holosericeus)

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Class: Aves
Family: Icteridae
Common Name: Yellow-billed Cacique
Genus: Amblycercus
Species Name: holosericeus

About The Yellow-billed Cacique

Yellow-billed caciques are large song birds. The body is completely black in both males and females. Males, however, have a more lustrous shine to their feathers than females. Both sexes also have a characteristic beak which is a whitish-yellow color. Their eyes are vibrant yellow as well. They are different from other caciques in the fact that they are the only ones who are open-nest builders. That is, they build an open-topped, cup–shaped nest in which to lay their eggs. They range in size from 56.7 to 70.9 g and from 21.6 to 25.4 cm in length, males are slightly larger than females.

Range mass: 56.7 to 70.9 g.

Range length: 21.6 to 25.4 cm.

Average wingspan: 23 cm.

Other Physical Features: endothermic ; homoiothermic; bilateral symmetry

Sexual Dimorphism: male larger; sexes colored or patterned differently; male more colorful

Rights Holder: The Regents of the University of Michigan and its licensors
Bibliographic Citation: Jordan, A. and G. Wallace 2010. "Amblycercus holosericeus" (On-line), Animal Diversity Web. Accessed April 27, 2013 at Citation Link

Trips Where Observed

Mexico to Panama
Mexico, Veracruz

Member Lifelists

North America
United States

Sites Where Observed



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