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On the pale morph hawk-eagle's underside, the base colour is white to buff overlaid with bold black to dark brown streaking; the streaking tends to be more subtle on abdomen but more obvious on the legs. Beyond the typical pale morph, some subspecies but especially N. c. liminaeetus tend to have a further intermediate and a dark morph. The ...
The pale morph of the closely related but more slender rough-legged species is best distinguished by its darker coloration, with a broad black tail band and a dark band across the chest. The dark morph Rough-leg is more a slaty coloration than the more brownish dark morph ferruginous.
Adults may show nearly endless variation in coloring and many may combine several characteristics of the three main morphs. Dark morph juveniles are usually mostly dark brown but with extensive pale mottling on the back and occasional tawny-edge feathers on the underside and slightly broader bars on the tail than pale morph B. j. calurus ...
As in the rufous morph, the pale morph vulpinus is grey-brown above but the tail is generally marked with thin dark bars and a subterminal band, only showing rufous near the tip. The underside in the pale morph is greyish-white with dark grey-brown or somewhat streaked head to chest and barred belly and chest, occasionally showing darker flanks ...
[3] [4] [9] Harlan's hawk is markedly different from all other red tails and can be identified nearly 100% of the time by an experienced hawk watcher. [4] [9] Throughout the morphs of this subspecies, the plumage is predominantly blackish, lacking any warmer or brownish tones (save the tail). Harlan's hawks usually have faint streaks on the ...
The two types of coloration are a dark morph with fewer white areas and a light morph that is more pale overall. [2] The light morph of this bird is most likely to be confused with the red-shouldered hawk, which has a longer, more heavily barred tail and wings with a solid rufous color in the adult, which are usually distinctive. [2] Rare dark ...
Krider's hawk or Krider's red-tailed hawk (Buteo jamaicensis kriderii) [1] is a subspecies or color morph of red-tailed hawk. [2] Authorities vary in their treatment of the taxon . [ 3 ] [ 4 ] [ 5 ] It was named after John Krider , the gunsmith from Philadelphia who collected the type specimen, which is preserved in the collection of the ...
Small and pale. Dark morph is ashy grey all over, except for the tail and underwing coverts; sometimes extensively marked rufous on the underside. Dark-morph immatures are sometimes black all over, except for the tail. Eastern Colombia to Suriname south to the mouth of the Amazon River, extending into the Caribbean.