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Adult DescriptionMedium-sized to large hawk. Slaty black overall. Tail with two or three light bands. Underwings two-toned, with dark linings and paler flight feathers. Legs and skin on face yellow. Wings held up in slight V when soaring.
Immature DescriptionJuvenile slightly darker and more brownish than adult; often with white spotting on underparts and around head; tail with many narrow, blackish bands.
Relative Sizebetween crow and goose
- Both Sexes
- Length: 17.7-22.1 in (45-56 cm)
- Weight: 4.2-4.9 oz (119-140 g)
- Wingspan: 46.9-55.1 in (119-140 cm)