Length: 8–9.5 cm (3.15–3.7") Weight: 3.5–4g Description: A short, straight, black bill and dark-brown eyes; male (♂): glossy-green crown with a green crest tipped metallic-green to blue-green set forward on the head; coal-black malar; glossy green nape; lustrous bronze-green upperparts; coal-black chin and throat; blackish underparts; glossy, bronze-green feathers at front of shoulder; bluish-black flight feathers, and sooty black underwing; dark, bronze-green, central retrices but sooty-black undertail; and blackish legs and feet; female (♀): without the crest on the crown; upperparts are like the male; however, exhibits pale grey underparts; and broad, light-greyish tips on the outer tail retrices; and immature: resembles female with washed yellowish-brown head Habitat: forest edges, clearings, urban areas, parks, lowlands, and highlands. Range: the eastern Caribbean, from Puerto Rico, in the north, to the Lesser Antilles, i.e., until Grenada in the South. It is recorded as a vagrant in Florida, USA.
Note: O.c. exilis is the subspecies of the Antillean crested hummingbird found on Dominica.