Birds of Bolivia

    PASSERIFORMES: Vireonidae (Vireos, Greenlets, Shrike-babblers)  
Genus: Vireo (4 species, 34 worldwide)

Genus Vireo, Vireos, are small 'New World' songbirds around 11-13 cm., similar to Warblers but with a sturdier bill and a more musical song. Some species migrate south. Vireos are in the family Vireonidae, which includes Greenlets.


Chivi Vireo
Chivi Vireo (Vireo chivi chivi)
Aguas Calientes, Peru  
   
Photograph by Tom Friedel   © All Rights Reserved.

A non-migratory and/or austral migrant version of the Red-eyed Vireo, and does not have a red eye. Note yellow vent.

Yellow-green Vireo
Yellow-green Vireo (Vireo flavoviridis flavoviridis)
Mastatal, Puriscal, Costa Rica  
   
Photograph by Jorge Obando Gutierrez   © Copyrighted, All Rights Reserved.

Similar to Red-eyed Vireo, but, among other differences, the eye brow is less white and less pronounced. This species migrates from Mexico and Central America to South America.

Brown-capped Vireo
Brown-capped Vireo (Vireo leucophrys mirandae)
Santa Marta Sierra Nevada, Magdalena, Colombia  
   
Photograph by Tom Friedel   © All Rights Reserved.


Red-eyed Vireo
Red-eyed Vireo (Vireo olivaceus)
San Jeronimo, Antioquia, Colombia  
   
Photograph by Tom Friedel   © All Rights Reserved.

Northern migrant. Arrives early, and migrates to Central America and the top half of South America. Note red eye. Compare to non-migratory Chivi Vireo, once considered the same species.


© Tom Friedel - All Rights Reserved, except for images and data otherwise noted.       Colombia       Panama       Ecuador       Costa Rica       Mexico
Experimental sites:       Peru       Venezuela       The World       Brazil       Bolivia
Really Experimental sites:       Guyana       Cuba