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WetlandCup nestSmall · 37 g
ID tip
The unicolored blackbird is about 18 to 21 cm (7.1 to 8.3 in) long. Males weigh an average of 40.6 g (1.4 oz) and females average 37.4 g (1.3 oz). The species is sexually dimorphic. Adult males of all four subspecies are entirely black with a faint bluish gloss. Adult females of the nominate subspecies A. c. cyanopus have a brown crown, a thin yellowish supercilium, and blackish ear coverts. Their upperparts are brown with heavy black streaks. Their upperwing is brownish with rufous edges on most feathers. Their tail is blackish. Voice: Both sexes of the unicolored blackbird are thought to sing, an "alternating liquid shr-r-le rattles with series of repeated warbles or trills (wie-wie-wie-wie, chie-chie-chee, etc.". The species, contact call is chieg.
Text from Wikipedia, licensed CC BY-SA 4.0.
When to see the Unicolored Blackbird
One bar for each month. Filled bars are the 11 months with records; pale bars are months with none. The wide bar is October, the month with the most records.
Where to see the Unicolored Blackbird
The map shades 5 countries with regular records, and 1 more in a lighter tone where the bird turns up only as a stray. Everything unshaded has no records. Countries are listed below the map.
Recorded as a rare visitor in French Guiana.
About the Unicolored Blackbird
The unicolored blackbird is a species of bird in the family Icteridae, the oropendolas, New World orioles, and New World blackbirds. It is found in Argentina, Bolivia, Brazil, Paraguay, Uruguay, and as a vagrant in Peru.
Text adapted from Wikipedia, licensed CC BY-SA 4.0.
Easily confused with
Pale-eyed BlackbirdAgelasticus xanthophthalmusThe adult pale-eyed blackbird is entirely black in both sexes.
Yellow-winged BlackbirdAgelasticus thiliusMale yellow-winged blackbirds average 17.9 cm (7.0 in) long.
Side by side: Unicolored Blackbird vs Yellow-winged Blackbird · Cuban Blackbird vs Unicolored Blackbird
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