...Byexercising extreme caution, and approaching inch by inch, I haveclimbed a tree to the nest of a yellow-throated vireo, and at thefirst attempt handed the bird a meal-worm with my fingers... 
William T. Hornaday 「Our Vanishing Wild Life」
...A beautiful Vireo with a slaty blue crown and nape, greenishback, white wing bars and underparts, the flanks being washedwith greenish yellow; a conspicuous mark is the white eyering and loral spot...
Chester A. Reed 「The Bird Book」
... Vireo atricapillus...
Chester A. Reed 「The Bird Book」
... Vireo griseus griseus...
Chester A. Reed 「The Bird Book」
... Vireo griseus micrus...
Chester A. Reed 「The Bird Book」
... Vireo vicinior...
Chester A. Reed 「The Bird Book」
...Whether the bird is reallydistinct from the widespread Vireo olivaceus seems to be a questionwhich is not yet finally settled...
P. L. Sclater 「Argentine Ornithology, Volume I (of 2)」
...—In Vireo this muscle is larger and more deeply situated thanit is in the other species examined and has no connection with the m...
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」
...The Mountain Solitary Vireo (L...
Frank M. Chapman 「What Bird is That?」
...
Red-Eyed Vireo...
Neltje Blanchan 「Birds Every Child Should Know」
...
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」
...
THE RED-EYED VIREO
Almost everywhere in the Eastern United States and Canada, thered-eyed vireo is the most common member of his family...
Neltje Blanchan 「Birds Every Child Should Know」
...He asks you no questions in jerky,colloquial triplets of song, so you may know by his voice at leastthat he is not the red-eyed vireo...
Neltje Blanchan 「Birds Every Child Should Know」
...
THE RED-EYED VIREO
Almost everywhere in the Eastern United States and Canada, thered-eyed vireo is the most common member of his family...
Neltje Blanchan 「Birds Every Child Should Know」
...Almost everywhere in the Eastern United States and Canada, thered-eyed vireo is the most common member of his family...
Neltje Blanchan 「Birds Every Child Should Know」
...Onlythe pewee and the red-eyed vireo, whom neither midday nor midsummerheat can silence, share the stage with him then...
Neltje Blanchan 「Birds Every Child Should Know」
...Philadelphia Vireo (Vireo philadelphicus)...
Frank M. Chapman 「Color Key to North American Birds」
...Resemble those of the Red-eyed Vireo but generallyhigher pitched; also a very abrupt, double-syllabledutterance with a rising inflection which comes inwith the song at irregular intervals...
Frank M. Chapman 「Color Key to North American Birds」
...White-eyed Vireo (Vireo noveboracensis)...
Frank M. Chapman 「Color Key to North American Birds」
...Song may be compared with the finestefforts of the Blue-headed Vireo with the added charmand mellowness of the song of the Yellow-throatedVireo...
Frank M. Chapman 「Color Key to North American Birds」
...Black-capped Vireo (Vireo atricapillus)...
Frank M. Chapman 「Color Key to North American Birds」
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