Banggai crow
Banggai crow | |
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C. unicolor in Sulawesi Tengah , Indonesia
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Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Aves |
Order: | Passeriformes |
Family: | Corvidae |
Genus: | Corvus |
Species: | C. unicolor
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Binomial name | |
Corvus unicolor (Rothschild & Hartert, 1900)
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Synonyms | |
Corvus enca unicolor |
The Banggai crow (Corvus unicolor) is a member of the
It was sometimes considered a subspecies of the slender-billed crow, but it is actually rather distinct from this bird, resembling an entirely black piping crow overall. The Banggai crow is a small crow, some 39 cm (15 in) long and completely black with a pale iris and a short tail.[2]
For more than a century, it was known from only two
The total population is estimated at approximately 500 mature individuals, living in mountain forest at altitudes above 500 m (1,600 ft).
This bird remained a complete enigma for a long time. Listed as Vulnerable in the 1994 IUCN Red List, it was changed to Endangered in 2000. In 2006, the status was considered as Possibly Extinct. This proved to be incorrect and the status was corrected to Critically Endangered in the 2007 Red List.[5][1]
Footnotes
References
- Association for the Conservation of Threatened Parrots. Status and biology of the Banggai Crow (Corvus unicolor) Accessed 24-10-2009
- BirdLife International (2009): Banggai Crow - BirdLife Species Factsheet. Retrieved 2009-JUN-19.
- Collar, Nigel J.; Andreev, A. V.; Chan, S.; Crosby, M. J.; Subramanya, S. & Tobias, J. A. (eds.) (2001): Banggai Crow. In: Threatened Birds of Asia: The BirdLife International Red Data Book: 2415–2416. BirdLife International.
- Madge, Steve & Burn, Hilary (1994): Crows and jays: a guide to the crows, jays and magpies of the world. A&C Black, London. ISBN 0-7136-3999-7
- Vaurie, Charles (1958): Remarks on some Corvidae of Indo-Malaya and the Australian region. American Museum Novitates 1915: 1-13. PDF fulltext
- Steve Madge & John Marzluff: Family Corvidae (Crows and Allies) In: Del Hoyo et al. (2009) Handbook of the Birds of World Volume 14 (with the first ever photograph of a living specimen)
- Goodwin, Derek (1976): Crows of the World