Flat-billed Vireo

About the Flat-billed Vireo

The flat-billed vireo (Vireo nanus) is a species of bird in the family Vireonidae, the vireos, greenlets, and shrike-babblers. It is endemic to the Caribbean island of Hispaniola that is shared by Haiti and the Dominican Republic.

The flat-billed vireo was originally described in 1875 as Empionax nanus, mistakenly placing it in the tyrant flycatcher family. It has sometimes been placed in its own genus Lawrencia. The flat-billed vireo is monotypic.

The flat-billed vireo is 12 to 13 cm (4.7 to 5.1 in) long and weighs about 10 to 11 g (0.35 to 0.39 oz). The sexes have the same plumage. Adults have a greenish gray forehead, crown and nape, dark gray lores, a pale olive-yellow strip above the lores, and a broken olive-yellow eye-ring. Their upperparts are greenish gray. Their wing coverts are blackish gray with off-white tips that form two wing bars. Their flight feathers are a darker gray than the back; the primaries and secondaries have thin gray-green edges on the outer webs and the tertials have wider gray-green edges on both webs. Their tail is dull blackish gray with whitish tips on the outer feathers. Their throat and breast are grayish... Wikipedia →