Common Black Hawk vs Slate-colored Hawk

Common Black Hawk

Buteogallus anthracinus

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The adult common black-hawk is 43–53 cm (17–21 in) long and weighs 930 g (33 oz) on average. It has very broad wings, and is mainly black or dark gray. The short tail is black with a single broad white band and a white tip. The bill is black and the legs and cere are yellow. The adults resemble zone-tailed hawks, but have fewer white bars on their tail and are larger in size. Sexes are similar, but immature birds are dark brown above with spotting and streaks. Their underparts are buff to whitish with dark blotches, and the tail has a number of black and white bars.

ID text from Wikipedia, CC BY-SA 4.0

Recorded by Gean Carlo Valdés · Call · Islas secas, Panama · CC0

Photo: Fabrício Mil Homens Riella · CC BY 4.0

Slate-colored Hawk

Buteogallus schistaceus

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It is a medium-sized to large bird, typically about 40 cm (16 in) long. It is medium slate-grey in color, with contrasting bright white horizontal banding on its tail feathers. It has a medium-white breast with vertical black markings. It has a large orange cere at the base of its beak, and large yellow eyes.

ID text from Wikipedia, CC BY-SA 4.0

Photo: (c) Christoph Moning, some rights reserved (CC BY), uploaded by Christoph Moning · cc-by

Photos and recordings are credited to their authors under the licence shown. Full profiles: Common Black Hawk and Slate-colored Hawk.