Warbling Vireo

Vireo gilvus

Order

PASSERIFORMES

Family

Vireos (Vireonidae)

Code 4

WAVI

Code 6

VIRGIL

ITIS

Egg Color:

White with brown and black spots



Number of Eggs:

3 - 5



Incubation Days:

12



Egg Incubator:

Both sexes



Nest Location:

4 - 15 feet above ground.



Nest Material:

Bark strips, leaves, vegetation fibers, and grass.



Migration:

Migratory



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General

Warbling Vireo: Small vireo with gray to olive-gray upperparts and white underparts; sides sometimes washed with yellow. Eyes are dark brown and have thick, white eyebrows and faint, dark eye-lines. Wings and tail are gray. Sexes are similar.

Range and Habitat

Warbling Vireo: Breeds from Yukon and the Northwest Territories to southern Quebec, and New Brunswick south to Tennessee, northern Texas, and central Mexico. Spends winters in the tropics. Preferred habitats include deciduous woodlands, especially near streams and in isolated groves and shade trees.

Breeding and Nesting

Warbling Vireo: Three to five black and brown spotted, white eggs are laid in a well made pendant-shaped nest of bark strips and plant down fastened to a forked twig, usually near the top of a tall tree. Both parents incubate eggs for approximately 12 days.

Foraging and Feeding

Warbling Vireo: Diet consists almost entirely of insects, some spiders, and a few berries; forages for food in tops of trees.

Vocalization

Warbling Vireo: Song is a drowsy, rambling warble that ends on a rising note.

Similar Species

Warbling Vireo: Red-eyed Vireo has olive-green back and contrasting gray crown, bold white line behind eye offset by black stripes, and red eyes as adults. Philadelphia Vireo has dark lores and pale yellow throat and breast. Tennessee Warbler is smaller and has a thin, pointed bill.

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UpperpartsX
Back, rump, hindneck, wings, and crown.
Parts of a Standing bird X
Head Feathers and Markings X
Parts of a Flying bird X