Tres Marias red-tailed hawk

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Tres Marias red-tailed hawk
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Accipitriformes
Family: Accipitridae
Genus: Buteo
Species:
B. jamaicensis
Subspecies:
B. j. fumosus
Trinomial name
Buteo jamaicensis fumosus
Nelson, 1898

The Tres Marias red-tailed hawk (Buteo jamaicensis fumosus) is a relatively small subspecies of red-tailed hawk endemic to Islas Marías, an island some 100 km (62 mi) off the coast of Mexico. Unlike some other island races, the validity of this race has rarely been called into question. The wing chord of males can range from 368 to 370 mm (14.5 to 14.6 in), averaging 369.3 mm (14.54 in), and, in females, it ranges from 395 to 400 mm (15.6 to 15.7 in), averaging 397.4 mm (15.65 in). Males and females average 228.9 and 235.5 mm (9.01 and 9.27 in) in tail length, 85.9 and 88.3 mm (3.38 and 3.48 in) in tarsal length and 27.4 and 29.2 mm (1.08 and 1.15 in) in culmen length.[1][2][3][4] This race is similar to the western red-tailed hawk (B. j. calurus) but, beyond being noticeably smaller, is duskier and duller hued overall and has a more cinnamon wash below, with heavily dark barred thighs.[1]

References[]

  1. ^ a b Ferguson-Lees, J. & Christie, D. (2001). Raptors of the World. London: Christopher Helm. ISBN 978-0-7136-8026-3.
  2. ^ Preston, C. R. Beane, R. D. (2009). "Red-tailed Hawk (Buteo jamaicensis)". The Birds of North America. doi:10.2173/bna.52.
  3. ^ Storer, R. W. (1962). "Variation in the Red-tailed Hawks of southern Mexico and Central America" [Variación de los gavilanes colirrojos del sur de México y Centroamérica]. The Condor. 64 (1): 77–78.
  4. ^ Blake, E. R. (1977). Manual of Neotropical Birds (Vol. 1). University of Chicago Press.


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