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The red-tailed hawk is now placed in the genus Buteo that was erected by French naturalist Bernard Germain de Lacépède in 1799. [15] [16] In flight showing the red tail A red-tailed hawk hovers in the wind. The red-tailed hawk is a member of the subfamily Buteoninae, which includes about 55 currently recognized species.
The changing of habitats has led to a general population increase of the red-tailed hawk, an occasional predator of its cousin. Additionally affecting the red-shouldered hawk was the greater availability of firearms in the early 1900s, leading to unchecked hunting of this and all other raptor species until conservation laws took effect in the ...
[6] [7] Adult B. j. calurus are usually rangier and darker than the eastern red-tailed hawk (B. j. borealis), with pale individuals usually having a richer tawny base color (with occasionally a pale rufous color showing around the chest or neck), typically a heavily streaked breast and belly band, a brownish throat, dark barring on the flanks ...
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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 ...
The Alaska red-tailed hawk (Buteo jamaicensis alascensis) is a subspecies of red-tailed hawk that breeds (and is probably resident) from southeastern coastal Alaska to Haida Gwaii (previously Queen Charlotte Islands) and Vancouver Island in British Columbia. [1] Despite its northerly distribution, this is the second smallest of the red-tailed ...
This is a large-bodied, relatively heavy race, but differs from more westerly hawks in having a relatively smaller wing area. Based on linear dimensions, this subspecies shows the most size variation and, unlike the red-tailed hawk species overall, size variation seems to fall within Bergmann's rule as northern birds average larger than southern ones.
The red-tailed hawk is chunkier-looking and differs in its darker head, broader, shorter wings, barring on the wings and the tail, dark leading edge to the wings (rather than black wrist patch) and has no white base to the tail. The ferruginous hawk is larger, with a bigger, more prominent bill and has a whitish comma at the wrist and all-pale ...