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Birds of North America, Vagrant Visitors, Introduced Birds and Possibilities

Gray Vireo

Viréo gris

Vireo vicinior

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Species: The Gray Vireo (Vireo icinior) is found in an semi-arid landscape, composed of oaks, juniper and scrub brush. It is not an easy bird to observe, always staying out of sight in the overgrowth. Can be located by its singing. This dull gray bird has few features that one can use as identifying notes. Mainly feeds on insects, some fruit in the winter months.

Distinctions: The male and female are very similar in appearance. Has large bill with a slight hook at the end of upper mandible, same identifying features seen in other vireos. Dull grey crown, darker grey body, wings and tail. Two wing bars, one more apparent than the other. Light grey lores, with a weak eye ring. Greyish white throat and breast.

Voice: Nasal sounding, similar sounds to other vireo types, multiple call notes. Sings from inside of undergrowth, more likely to be heard than seen, sings throughout the day even after breeding season.

Nesting: Three to five white eggs, speckled with brown or black spots, two broods per year. Suspended from a fork in branches of a tree. The nest is composed of strips of wood bark, plant fibres and lined with fine grasses and spiderwebs.

Birds of North America
B L W W W Family Latin Name
5.5" 14cm 8" 20.3cm 0.5 oz 14.2g Vireonidae Vireo vicinior

  • Summer
  • Year Around
  • Winter

Distribution: Observed in the south-western states, from Colorado to California, east through Arizona, New Mexico and Texas, winters in southern Colorado and west Mexico.

References to Other Bird Sites:

Avibase - the world bird database

ABA - American Birding Association

AOS - The American Ornitholgy Society

ABC - American Bird Conservancy

eBird - TheCornellLab of Ornithology

NA - National Geographic

NAC - National Audubon Society

Classic Collection of North American Birds