Vervain Hummingbird

Vervain Hummingbird (Mellisuga minima)

Length: 6–7cm (2.4–2.76")
Weight: 2–2.4g (0.071–0.085oz.)
Description: Small hummingbird; male and females resemble with minor differences; 0.4 inch (1 cm) dull black bill; dark brown eyes; pale grey chin and throat with impression of grey speckles centrally; dull metallic green upper-parts; pale grey chest also with impressions of grey speckles; metallic green under-parts; darker green, occasionally nearly black, rump and darker green upper tail feathers; dusky coloured legs and feet; female (♀): markedly dark metallic green upper-parts; bluish-green or bronze green, glossy metallic green flanks; and white-tipped outer rectrices (tail feathers) on rounded slightly forked tail; and immature males (♂): resemble adult females, but more speckled grey on throat than female, more defined white-tipped outer rectrices, more intense and widespread glossed green flanks.
Habitat: forest, forest undergrowth/shrubbery, gardens, and secondary forest.
Range: Dominican Republic, Haiti, and Jamaica, and is a vagrant to Puerto Rico.

Note: It is allegedly the second smallest bird in the world after the bee hummingbird, its close cousin of Cuba and Isla de la Juventud. The vervain hummingbirds are faintly larger. Also, allegedly it lays the smallest bird egg; its egg averaging 1cm (0.038") in length and .0375 grams.