Males have blue-violet on the head and throat while females have green upperparts and grey-white underparts; the species uses mountain wet forest on Dominica and Martinique.
The male is bluish-green overall, with violet-blue on the head, throat, upper breast, and tail. The female has green upperparts, grey-white underparts, white tail corners with a blue band, and a dark ear patch. Both sexes have a reddish lower mandible with a black tip.
It inhabits higher-elevation wet forest and forest borders. Its nest is usually placed low, up to about 2.4 m according to the source.
The male has a slightly forked tail.
An extinction-risk assessment has not been added yet.