- Pseudastur albicollis
Identification
46-56 cm. White head, body and underwings, black upper wings, very short black tail with a broad white band. The bill is black and the legs are yellow.
The sexes are similar, but females are larger and heavier. Immature birds have extensive black spotting on the upperparts and dark-streaked whitish underparts.
Variations
- ghiesbreghti: White with black markings on the outer primaries, black sub-terminal tail bar, yellow eyes
- costaricensis: Distinct black markings on the wings and tail, brown eyes
- williaminae: Wing feathers heavily marked with black, black streaks on the crown and collar, broader tail band, brown eyes
Distribution
Central and South America
Mexico, Nicaragua, Panama, Honduras, Colombia, Venezuela and Brazil.
Taxonomy
Formerly included in the genus Leucopternis.
Subspecies
There are four subspecies[1]:
- P. a. ghiesbreghti:
- P. a. costaricensis:
- P. a. williaminae:
P. a. albicollis:
Habitat
Lowland forests and woodland.
Behaviour
Diet
Their diet consists of reptiles, insects and mammals.
Breeding
They build a large stick platform nest in a tree and 1 dark-blotched blue-white egg is laid.
References
- Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2015. The eBird/Clements checklist of birds of the world: v2015, with updates to August 2015. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
- Wikipedia
Recommended Citation
- BirdForum Opus contributors. (2021) White Hawk. In: BirdForum, the forum for wild birds and birding. Retrieved 2 June 2021 from https://www.birdforum.net/wiki/White_Hawk



