Английская Википедия:Central American red-tailed hawk

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Шаблон:Short description Шаблон:Subspeciesbox

The Central American red-tailed hawk (Buteo jamaicensis costaricensis) is a subspecies of red-tailed hawk resident from Nicaragua to Panama. This subspecies is relatively small. The wing chord of males can range from Шаблон:Convert, averaging Шаблон:Convert, and, in females, it ranges from Шаблон:Convert, averaging Шаблон:Convert. Additionally, males and females average Шаблон:Convert in tail length, Шаблон:Convert in tarsal length and Шаблон:Convert in culmen length.[1][2][3] This race may average around Шаблон:Convert.[4] This subspecies is arguably the most handsomely colored in typical adult plumage. This subspecies is dark brown above and heavily pigmented dorsally, the white of the breast contrasting with a deep rufous abdominal band which contains black streaks and spots. Meanwhile, the flanks, wing linings and sides are an unbarred deep rufous. In some birds, the rich rufous color continues to the underside. The chest is much less heavily streaked than in northern migrants western red-tailed hawk (B. j. calurus) to Central America. Unlike other Central American races of red-tailed hawk, there seems to be no dark morph in this subspecies.[1][5][6]

References

Шаблон:Reflist

Шаблон:Subspecies of Red-tailed hawk Шаблон:Taxonbar


Шаблон:Accipitriformes-stub

  1. 1,0 1,1 Шаблон:Cite book
  2. Preston, C. R. & Beane, R. D. (2009). "Red-tailed Hawk (Buteo jamaicensis)". The Birds of North America. Шаблон:Doi.
  3. Blake, E. R. (1977). Manual of Neotropical Birds (Vol. 1). University of Chicago Press.
  4. Stiles, F. G. & Skutch, A. F. (1989). Guide to the Birds of Costa Rica. Comistock.
  5. Palmer, R. S. ed. (1988). Handbook of North American Birds. Volume 5 Diurnal Raptors (Part 2).
  6. Шаблон:Cite journal