- Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2014. The eBird/Clements checklist of birds of the world: Version 6.9. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
Habitat and Ecology
IUCN Red List Assessment
Red List Category
Red List Criteria
This species averages 51 cm (20 inches) in length. Its long, pointed grey and black tail with a white median band is distinctive. A white wing patch is conspicuous in flight. The bill is black in male, pea-green in the female.
Typical calls are a nasal haa-haa-haa, like bleating of a sheep, and a single or repeated gwa (or g'away) It flies from tree to tree in loose straggling groups, calling loudly.
Male in Kenya
- Dale A. Zimmerman, Birds of Kenya and Northern Tanzania, Princeton University Press, 1999
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