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Mangrove Black Hawk

From Opus

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==Taxonomy== ==Taxonomy==
-Taxonomy has been surrounded by much confusion. Recent work fail to support the case for species status, instead presenting strong evidence for listing it as a subspecies of the [[Common Black Hawk]].+Taxonomy has been surrounded by much confusion. Recent work fail to support the case for species status, instead presenting strong evidence for listing it as a subspecies, ''B. anthracinus subtilis'', of the [[Common Black Hawk]].
==Habitat== ==Habitat==

Revision as of 11:16, 12 January 2008

Buteogallus subtilis
Photo by rb_stern Photographed: Playa Blanca, Panama.
Photo by rb_stern
Photographed: Playa Blanca, Panama.

Contents

Identification

43-53cm long and 930g. Broad wings, black with brownish cast to upper-wings. 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.

The call is a piping spink-speenk-speenk-spink-spink-spink.

Distribution

Restricted to the Pacific coast of eastern Panama south to north-western Peru. Much earlier confusion over its range, with some sources suggesting it occurs as far north as Mexico, but this now known to be mistaken.

Taxonomy

Taxonomy has been surrounded by much confusion. Recent work fail to support the case for species status, instead presenting strong evidence for listing it as a subspecies, B. anthracinus subtilis, of the Common Black Hawk.

Habitat

Pacific mangrove swamps, estuaries and adjacent dry open woodland,

Behaviour

It builds a large stick nest in a mangrove tree, and usually lays one dark-blotched whitish egg.

Diet includes crabs, and small vertebrates and eggs.


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