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White-shouldered Ibis
From Wikipedia, the free encyclopedia
| White-shouldered Ibis | ||||||||||||||||
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| Pseudibis davisoni Hume, 1875 |
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Pseudibis papillosa davisoni |
The White-shouldered Ibis, Pseudibis davisoni is a species of wading bird of the ibis family, Threskiornithidae. It occurs at a few sites in northern Cambodia, southern Vietnam, extreme southern Laos and East Kalimantan in Indonesia.
The White-shouldered Ibis occurs in lakes, pools, marshes and slow-flowing rivers in open lowland forest. It also inhabits sparsely wooded, dry or wet grasslands and wide rivers with sand and gravel bars.
Adults are typically 75-85 cm long, dark plumaged, with a distinctive pale collar which at close range appears bluish. The bald head is black, the legs are red, and it has a whitish patch on the inner forewing, which gives the bird its name.
Due to small population size and ongoing habitat loss through logging of lowland forests and drainage of wetlands for agriculture, the White-shouldered Ibis is evaluated as Critically Endangered on the IUCN Red List of Threatened Species. The current world population is estimated to be less than 250.
The binomial commemorates William Ruxton Davison.
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- BirdLife International (2004). Pseudibis davisoni. 2006 IUCN Red List of Threatened Species. IUCN 2006. Retrieved on 11 May 2006. Database entry includes a range map, a brief justification of why this species is critically endangered, and the criteria used