Definition of "vireo"
noun:
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Any of several small insectivorous passerine birds, of the genus Vireo, that have grey-green plumage.
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Any of several small insectivorous passerine birds, of the genus Vireo, that have grey-green plumage.
from Wiktionary, Creative Commons Attribution/Share-Alike License