Jacamar dorsoscuro

Identificazione

The dusky-backed jacamar is 16.5 to 18 cm (6.5 to 7.1 in) long. Males weigh 18.5 g (0.65 oz) and females 16 g (0.56 oz). The male's upper parts, chest, and flanks are dark greenish black that appears bluish when worn. Its cheeks are sooty, the throat white or whitish, and the belly and breast cinnamon. The female is similar but its throat is buff.

Tassonomia

The dusky-backed jacamar is monotypic. It and the pale-headed (B. goeringi), brown (B. lugubris), and white-throated jacamars (B. albogularis) form a superspecies.

Nome scientifico

Brachygalba salmoni

Autorità

Sclater, PL & Salvin, 1879

Ordine

Piciformi

Famiglia

Galbulidi

Genere

Brachygalba

Areale e habitat

The dusky-backed jacamar is found in Panama's Darién Province and the adjoining and nearby northern Chocó, northern Antioquia, and southern Córdoba Departments of Colombia. There is also an isolated population in northern Bolívar Department, Colombia, that at one time was thought to be a subspecies. It inhabits humid primary and secondary forest. It is found in edges, such as by clearings and along streams, rather than the forest interior. In elevation it ranges up to 700 m (2,300 ft).

Migrazione

Resident species

Comportamento

The dusky-backed jacamar preys on a variety of flying insects that it catches by flying from a perch. It often perches and hunts in pairs or small family groups.<p>Though the dusky-backed jacamar is assumed to nest in burrows in earth banks, there is no documentation of its breeding phenology. Birds in breeding condition were noted during January and February in Colombia.<p>The dusky-backed jacamar has a complex song [1]. Its call is described as an "upwardly inflected 'sweet' or 'feet'...sometimes expanded to...a longer series" [2].

Conservazione

Tendenza della popolazione

declining