Thick-billed Vireo
Thick-billed Vireo: Medium vireo, olive-green upperparts, brown or gray-brown iris, broken dull white spectacles, pale yellow underparts shading to white undertail. Wings brown with two white bars. Large, gray bill. Most often heard, not seen. Frequents dense undergrowth and thickets.
● Song:
"chip-chip-WEEEoo-chip", "waaa, waaa, waaa"
● Foraging & Feeding:
Thick-billed Vireo: Eats insects, spiders, small fruits, and berries. Forages low, mostly from 2 to 12 feet above the ground, in shrubbery, thickets, dense undergrowth, and trees.
● Breeding & nesting:
Thick-billed Vireo: Two to three white or light pink eggs marked faintly with black or red spots are laid in a nest made of grass, covered on the outside with moss, bark, and bits of paper or rag, and lined with soft plant fibers, down, and grass; nest is usually built near the end of a tree branch. Incubation ranges from 12 to 14 days and is carried out by both parents.
● Similar species:
Thick-billed Vireo: White-eyed Vireo is smaller with smaller black bill, white iris, olive-gray upperparts, gray head and nape, white underparts with yellow wash on sides and flanks, and complete yellow spectacles.