Cuban Emerald
Riccordia ricordii
A pugnacious hummingbird that feeds on flowers and insects and is sometimes found flycatching. Inhabits a broad range of habitats. Often tame around humans. The long-tailed male is swathed entirely in iridescent green and has a distinctive red base to the bill, except for a white patch below the belly and a white spot behind the eye. The female is metallic green above, dingy white below, and has a relatively long, forked tail. The female Bee Hummingbird is much smaller, shorter billed, shorter tailed, and is iridescent turquoise above unlike the Cuban Emerald. Female Ruby-throated Hummingbirds have shorter, unforked tails with white on the tail tip. Vocalizations include a prolonged jumbled series of high-pitched squeaks and buzzes and a high-pitched but descending “tsee, tsee, tsee, tse, tse.”
Identification
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.
Taxonomy
The Cuban emerald was formerly placed in the genus Chlorostilbon. Based on a molecular phylogenetic study published in 2014 and a 2017 publication, the North American Classification Committee of the American Ornithological Society, the International Ornithological Committee (IOC), and the Clements taxonomy moved it to the resurrected genus Riccordia. However, as of 2020 BirdLife International's Handbook of the Birds of the World (HBW) retained it in Chlorostilbon.<p>The Cuban emerald is monotypic. However, the extinct Brace's emerald (R. bracei) was at one time treated as a subspecies of it.
- Scientific name
- Riccordia ricordii
- Authority
- (Gervais, 1835)
- Order
- Apodiformes
- Family
- Trochilidae
- Genus
- Riccordia
Range and habitat
The Cuban emerald is found on the main island of Cuba, the large Isla de la Juventud (Isle of Pines), and several smaller offshore cays. It is also found on Grand Bahama, Great Abaco, Andros, and Green Cay and occasionally as a stray on other islands in the Bahamas. It inhabits a variety of wooded habitats. On mainland Cuba it mostly occurs in both arid and humid open forest and on Grand Bahama in pine woods and coastal scrub forest. It also occurs in parks, gardens, and plantations. In elevation it ranges from sea level to at least 1,300 m (4,300 ft) but there are records at almost 2,000 m (6,600 ft) on Cuba.
- Migration
- Resident species
Behavior
The Cuban emerald is generally sedentary but makes some local elevational dispersal. It has been reported as a vagrant in Florida at least 14 times but the AOS considers the records "unsubstantiated" and it is not on the official Florida state list.<p>The Cuban emerald forages for nectar at a variety of flowering trees and shrubs, generally staying below about 6 m (20 ft) of the ground. It also feeds on small insects captured by hawking from a perch and sometimes by gleaning from spider webs.<p>The Cuban emerald can breed at any time of the year, but is thought to do so in Cuba mainly between April and July. It makes a cup nest of plant fiber, moss, and bark woven together with spider web and often covered with lichen and bits of bark. It places the nest in a fork, usually between 1 and 4 m (3 and 10 ft) above the ground. The female incubates the clutch of two eggs for 15 to 16 days and fledging occurs 19 to 22 days after hatch.<p>The male Cuban emerald's high-pitched song is "a rapid rolling series of 'slee' notes and sputtering metallic sounds". Females give a "high-pitched 'seeeee' flight call". They also make "a buzzy 'zzzir'" and "chi-di-dit" calls.
Conservation
- Population trend
- unknown
Photos
Distribution
Bird Calls
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