Yellow-billed Jacamar

The nominate yellow-billed jacamar is 18 to 21 cm (7.1 to 8.3 in) long and weighs 16 to 24 g (0.56 to 0.85 oz). The male's crown is glossy copper or purplish and the rest of the upper parts are emerald green. The chin is buff, the throat white, and the rest of the underparts are pale reddish cinnamon. The female has paler underparts and a reddish buff throat. Subspecies G. a. chalcocephala is also 18 to 21 cm (7.1 to 8.3 in) long but a little lighter, weighing 16.9 to 22.9 g (0.60 to 0.81 oz). Compared to the nominate, its crown is bronzy purple and its back a darker bronzy green. Voice: The yellow-billed jacamar's song is "a high-pitched 'peea peea-pee-pee-te-t-t-e'e'e'e'e'e' or 'peea-pee-pee-te-t-t-t't't't't'ttttt'r'" ending in a rattle. Its calls are described as "a sharp 'peek', 'tew' and 'trra'", sometimes in a series.