Pale-headed Jacamar

The pale-headed jacamar is 16.5 to 18 cm (6.5 to 7.1 in) long and weighs 16 to 18 g (0.56 to 0.63 oz). The male's crown, nape, and shoulders are ashy brown. The rest of the upper parts are dark brown glossed with greenish; they look blue-black when worn. It has a pale supercilium and a buffy-white throat. It has a chestnut band on the upper belly and dark brown flanks; the rest of the underparts are white. The female is almost identical. The juvenile has a gray crown and nape, and the upper parts are brighter and the green gloss stronger. Voice: The pale-headed jacamar's song is a series of high "weet" notes that increase in speed and pitch and ends with a trill .