Spot-breasted Oriole

The spot-breasted oriole is about 21 cm (8.3 in) long. Its wing chord is 8.8 to 11.4 cm (3.5 to 4.5 in), its tail 8.5 to 11.2 cm (3.3 to 4.4 in), its culmen 1.9 to 2.4 cm (0.75 to 0.94 in), and its tarsus 2.6–3 cm (1.0–1.2 in). Males weigh an average of about 53 g (1.9 oz) and females about 45 g (1.6 oz). The sexes have the essentially same plumage though females are duller than males. Adults of the nominate subspecies I. p. pectoralis have a mostly deep orange head and nape. They have a black "mask", throat, "bib" on the upper breast, mantle, and back. Their rump is orange. Voice: The spot-breasted oriole's song is "a sweet, melodic rising and falling series of repeated clear whistles: eeeep!-weu'peeer-eeeep!-weu'peeer-eeeep!-weu'peeer..." and its calls include "a harsh, scratchy, nasal raannk...and a hoarse chatter".