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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.
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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 ...
Buteo is a genus of medium to fairly large, wide-ranging raptors with a robust body and broad wings. In the Old World, members of this genus are called "buzzards", but "hawk" is used in the New World (Etymology: Buteo is the Latin name of the common buzzard [1]).
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.
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Common and scientific names are also those of the Check-list, except that the common names of families are from the Clements taxonomy because the AOS list does not include them. These tags are used to annotate some species: (A) Accidental – "Fewer than ten Kansas records" per the KOS (E) Extinct – a recent species that no longer exists