Golden-winged Cacique
Cacicus chrysopterus
Male golden-winged caciques are about 21 cm (8.3 in) long and females about 19 cm (7.5 in). Males weigh about 35 to 47 g (1.2 to 1.7 oz) and females about 30 to 34 g (1.1 to 1.2 oz). The sexes have the same plumage. Adults are almost entirely black. Their lower rump and their median and inner greater wing coverts are bright yellow. They have a pearly white to yellow iris, a pale bluish gray bill, and black legs and feet. Juveniles are duller overall than adults and have dark eyes. Voice: Male golden-winged caciques display on a perch by singing and "bowing". Their song is an "unexpected and varied, musical rrrreee-chiroo, whooo, tooweetooweetoowee-teeeeay (very high-pitched) whooweet, whooway, teeoo...". Its calls include a "mewing eyehh or thin, slightly upslurred whee".
ID text from Wikipedia, CC BY-SA 4.0
Scarlet-rumped Cacique
Cacicus uropygialis
The scarlet-rumped cacique is sexually dimorphic like many Icteridae, though it mainly concerns size in this species. Males are 23 cm (9 in) long and weigh 68 g (2.4 oz), while the female is 20 cm (8 in) long and weighs 53 g (1.9 oz); This cacique is a slim long-winged bird, with a relatively short tail, blue eyes, and a pale yellow pointed bill. It has mainly black plumage, apart from a scarlet patch on the lower back and upper rump. The female is smaller and a duller black than the male, and the juvenile bird has a brownish tone to the plumage and a brownish-orange rump.
ID text from Wikipedia, CC BY-SA 4.0
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Golden-winged Cacique and Scarlet-rumped Cacique.