Cozumel Vireo

About the Cozumel Vireo

The Cozumel vireo (Vireo bairdi) is a Near Threatened species of bird in the family Vireonidae, the vireos, greenlets, and shrike-babblers. It is endemic to the Mexican island of Cozumel off the Yucatán Peninsula. The Cozumel vireo was originally described in 1885 as Vireo bairdi, its current binomial. The species is monotypic.

The Cozumel vireo is 11.5 to 12.5 cm (4.5 to 4.9 in) long and weighs about 11 to 14.5 g (0.39 to 0.51 oz). The sexes have the same plumage. Adults have a dark chestnut-brown crown, nape, and ear coverts. They have an off-white patch from the lores to the eye and a wide white eye-ring; together they look like spectacles. Their upperparts are light chestnut-brown. Their wing coverts are gray-brown with wide yellowish-white tips that form two bold wing bars. Their flight feathers are gray-brown; the primaries and secondaries have greenish or olive-yellow edges on the outer webs and the tertials have whitish edges. Their tail is brownish gray with greenish edges on the outer webs of the feathers. Their chin and throat are off-white, their breast off-white with chestnut- or cinnamon-brown sides, their flanks brownish... Wikipedia →