About the Black-capped Vireo
The black-capped vireo is a small bird native to the United States and Mexico. It was listed as an endangered species in the United States in 1987. It is the only Vireo that is sexually dichromatic. Recovery of the species' population contributed to its delisting in 2018. The IUCN lists the species as "near threatened."
Text adapted from Wikipedia, licensed CC BY-SA 4.0.
ID tip
The black-capped vireo is a songbird about 12 cm (4.5 inches ) in length. Sexually mature males are olive green above and white below with faint yellow flanks. The crown and upper half of the head is black with a partial white eye ring and lores. The iris is brownish-red and the bill is black. Females are duller in color than males and have a slate-gray crown and underparts washed with greenish yellow. First-year males often have more extensive gray in the cap, similar to adult females.
Text from Wikipedia, licensed CC BY-SA 4.0.
Where it lives
Recorded as a rare visitor in Canada.
When to see it
Peak activity in April · a variable species across most of its range
Easily confused with
Grey VireoVireo viciniorThe gray vireo is about 13 to 15 cm (5.1 to 5.9 in) long and weighs 11.5 to 13.5 g (0.41 to 0.48 oz).
Yucatan VireoVireo magisterThe Yucatan vireo is about 15 cm (5.9 in) long and weighs about 13.5 to 25 g (0.48 to 0.88 oz).
Golden VireoVireo hypochryseusThe golden vireo is about 12 to 13 cm (4.7 to 5.1 in) long and weighs an average of 12.2 g (0.43 oz).
Learn the Black-capped Vireo for real
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