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Common Black Hawk
Conservation status
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Falconiformes (or Accipitriformes, q.v.)
Family: Accipitridae
Genus: Buteogallus
Species: B. anthracinus
Binomial name
Buteogallus anthracinus
(Deppe, 1830)

The Common Black Hawk (Buteogallus anthracinus) is a bird of prey in the family Accipitridae, which also includes the eagles, hawks and Old World vultures. It formerly included the Cuban Black Hawk (Buteogallus gundlachii) as a subspecies. On the contrary, the Mangrove Black Hawk, traditionally considered a distinct species, is now generally considered a subspecies, subtilis, of the Common Black Hawk.[1]

The Common Black Hawk is a breeding bird in the warmer parts of the Americas, from the Southwestern United States through Central America to Venezuela, Peru, Trinidad and the Lesser Antilles.

This is a mainly coastal, resident bird of mangrove swamps, estuaries and adjacent dry open woodland, though there are inland populations, including a migratory population in northwestern Mexico and Arizona.

The adult Common Black Hawk is 43–53 cm long and weighs 930g on average. It has very broad wings, and is mainly black or dark gray. The short tail is black with a single broad white band and a white tip. The bill is black and the legs and cere are yellow.

Sexes are similar, but immature birds are dark brown above with spotting and streaks. Their underparts are buff to whitish with dark blotches, and the tail has a number of black and white bars.

The Common Black Hawk feeds mainly on crabs, but will also take small vertebrates and eggs. This species is often seen soaring, with occasional lazy flaps, and has a talon-touching aerial courtship display. The call of the Common Black Hawk is a distinctive piping spink-speenk-speenk-spink-spink-spink.

It builds a platform nest of sticks fifteen to one hundred feet above the ground in a tree, often a mangrove. Nests are often reused and tend to grow bigger. It lays one to three eggs (usually one), which are whitish with brown markings.

Protection status

The Common Black Hawk is protected in the far north of its range (in the USA) under the Migratory Bird Treaty Act of 1918.[1]

References

  1. ^ Clark, W. S. 2007. Taxonomic status and distribution of Mangrove Black Hawk Buteogallus (anthracinus) subtilis. Bulletin of the British Ornithologists' Club 127:110-117.
  • BirdLife International (2004). Buteogallus anthracinus. 2006. IUCN Red List of Threatened Species. IUCN 2006. www.iucnredlist.org. Retrieved on 11 May 2006. Database entry includes justification for why this species is of least concern
  • Birds of Venezuela by Hilty, ISBN 0-7136-6418-5
  • ffrench, Richard (1991). A Guide to the Birds of Trinidad and Tobago (2nd edition ed.). Comstock Publishing. ISBN 0-8014-9792-2.  
  • Howell, Steve N. G. (1995). A Guide to the Birds of Mexico and Northern Central America. Oxford University Press. ISBN 0-19-854012-4.  

External links

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