Cuban emerald

The Cuban emerald (Riccordia ricordii) is a species of hummingbird in the "emeralds", tribe Trochilini of subfamily Trochilinae. It is found in the Bahamas and Cuba.

Male Cuban emeralds are 10.5 to 11.5 cm (4.1 to 4.5 in) long and females 9.5 to 10.5 cm (3.7 to 4.1 in). The species weighs between 2.5 and 5 g (0.088 and 0.18 oz). Males have a short, slightly decurved, black-tipped bill whose mandible is dull black and the maxilla red. It has a small whitish spot behind the eye. Its upperparts are dark shining green with a bronze tinge; the crown is darker and duller. Its underparts are mostly iridescent metallic green with white undertail coverts. The tail is deeply forked. Its innermost four pairs of feathers are dark metallic bronze to greenish bronze and the outermost pair similar with dark brown inner webs. Female's upperparts are similar to the male's. It has a longer whitish spot behind the eye. The underparts are mostly brownish gray with metallic green flanks and white undertail coverts. The tail is less forked than the male's but colored similarly.