Description
The Broad-winged Hawk is a relatively small Buteo, with a body size from 32 to 44 cm (13 to 17 in) in length and weighing anywhere from 265 to 560 g (9.3 to 20 oz). The tail is relatively short, measuring 14.5–19 cm (5.7–7.5 in) in length. The tarsus measures from 5.6 to 6.6 cm (2.2 to 2.6 in). As in most raptors, females are slightly larger than males. Broad-winged Hawks have relatively short and broad wings, pointed at the end, which have a tapered appearance unique to the species. The wingspan can range from 74 to 100 cm (29 to 39 in), with the extended wing bone (standard measurement) measuring 22.7–30 cm (8.9–12 in). Adults' bodies are a dark brown with a white belly and chest containing horizontal barring. Their tail can be a dark grey-black with white lines along the middle, base and tip. The young hawks have a slightly different colouring with more white and longitudinal barring instead of horizontal barring. There are two types of colouration: a dark morph with fewer white areas and a light morph that is more pale overall. The light morph of this bird is most likely to be confused with the Red-shouldered Hawk, but they have a longer, more heavily barred tail and wings with a solid rufous color in the adult which are usually distinctive. Rare dark morphs are a darker brown on both upperparts and underparts. Dark-morph Short-tailed Hawks are similar but are whitish under the tail with a single subterminal band.
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