...Red-eyed Vireo... 
Chester A. Reed 「The Bird Book」
...Yellow-throated Vireo...
Chester A. Reed 「The Bird Book」
...Like the Blue-headed Vireo but with theyellowish wholly replaced by leaden gray...
Chester A. Reed 「The Bird Book」
...Black-capped Vireo...
Chester A. Reed 「The Bird Book」
...White-eyed Vireo...
Chester A. Reed 「The Bird Book」
... Vireo huttoni obscurus...
Chester A. Reed 「The Bird Book」
... Vireo vicinior...
Chester A. Reed 「The Bird Book」
...gastrocnemius are most distinct in Vireo...
William B. Stallcup 「Myology and Serology of the Avian Family Fringillidae」
...—In Vireo this muscle is proportionately larger and better developedthan it is in any of the other species examined...
William B. Stallcup 「Myology and Serology of the Avian Family Fringillidae」
...flexor perforatus digiti II is larger and more deeplysituated in Vireo and has, furthermore, no connection with the m...
William B. Stallcup 「Myology and Serology of the Avian Family Fringillidae」
...We know this Vireo chiefly as a migrant, one of theearliest of the group of small arboreal wood-hauntingbirds (Vireos and Warblers) to reach us in the spring...
Frank M. Chapman 「What Bird is That?」
...The Key West Vireo (V...
Frank M. Chapman 「What Bird is That?」
...
When Dame Nature, the most thorough of housekeepers, gave to the birdsthe task of restraining insects within bounds so that man and beastcould live, she gave the care of foliage to the vireos...
Neltje Blanchan 「Birds Every Child Should Know」
...Yellow-throated Vireo (Vireo flavifrons)...
Frank M. Chapman 「Color Key to North American Birds」
...Black-whiskered Vireo (Vireo calidris barbatulus)...
Frank M. Chapman 「Color Key to North American Birds」
...Stephen Vireo (V...
Frank M. Chapman 「Color Key to North American Birds」
...Blue-headed Vireo (Vireo solitarius)...
Frank M. Chapman 「Color Key to North American Birds」
...Lucas Solitary Vireo (V...
Frank M. Chapman 「Color Key to North American Birds」
...Black-capped Vireo (Vireo atricapillus)...
Frank M. Chapman 「Color Key to North American Birds」
...Natural history of the bell vireo...
Robert K Selander 「Vertebrates from the Barrier Island of Tamaulipas, México」
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