Vireo
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High Quality Content by WIKIPEDIA articles! The vireos are a group of small to medium-sized passerine birds (mostly) restricted to the New World. They are typically dull-plumaged and greenish in color, the smaller species resembling wood warblers apart from their heavier bills. They range in size from the Choco Vireo, Dwarf Vireo and Lesser Greenlet, all at around 10 centimeters and 8 grams, to the peppershrikes and shrike-vireos at up to 17 centimeters and 40 grams (Forshaw & Parkes 1991). The four genera of these birds make up the family Vireonidae, and are believed to be related to the crow...
High Quality Content by WIKIPEDIA articles! The vireos are a group of small to medium-sized passerine birds (mostly) restricted to the New World. They are typically dull-plumaged and greenish in color, the smaller species resembling wood warblers apart from their heavier bills. They range in size from the Choco Vireo, Dwarf Vireo and Lesser Greenlet, all at around 10 centimeters and 8 grams, to the peppershrikes and shrike-vireos at up to 17 centimeters and 40 grams (Forshaw & Parkes 1991). The four genera of these birds make up the family Vireonidae, and are believed to be related to the crow-like birds in family Corvidae and the shrikes in family Laniidae. Recent biochemical studies have identified two babbler genera (Pteruthius and Erpornis) which may be Old World members of this family (Reddy & Cracraft 2007). Observers have commented on the vireo-like behaviour of the Pteruthius shrike-babblers, but apparently no-one suspected the biogeographically unlikely possibility of vireo relatives in Asia.
