Black rein ibis
Black rein ibis | ||||||||||
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Black rein ibis |
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Systematics | ||||||||||
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Scientific name | ||||||||||
Theristicus melanopis | ||||||||||
( Gmelin , 1789) |
The black-faced ibis ( Theristicus melanopis , too) Brillenibis called, is a South American bird from the family of ibises and spoonbills . The black rein ibis is quite common in southern Chile and Argentina , rarely in northern Chile, Ecuador , Bolivia and Peru . According to IUCN there are 25,000 to 100,000 breeding pairs worldwide, the species is classified as not endangered .
Subspecies
- Th. M. branickii (Berlepsch & Stolzmann, 1894)
- Th. M. melanopis (Gmelin, 1789)
Appearance
The black rein ibis reaches a body length of 71 to 76 cm. The head, neck and chest are brown, the wings are gray, and the belly and tail are black. The downward curved beak is dark gray, the eye is framed by a black field of vision. A black field is also visible on the throat, directly under the beak. Together they form the eponymous "reins". The strong legs are dark red. The most noticeable distinguishing feature to the otherwise similar white-necked ibis is the lack of white coloring on the wing. In contrast to many other ibises, it does not have long feathers. There is no pronounced gender dimorphism .
habitat
The black-rein ibis prefers open grasslands, pastures, fields and open forests, but can also be found in wetlands and on ponds and rivers.
nutrition
The diet of the black-rein ibis consists of insects and their larvae, worms, snails and their eggs, and more rarely small amphibians and mammals.
Reproduction
The black-rein ibis usually breed in colonies of up to 50 pairs. The nests are often built on rocks and cliffs, but sometimes also in reeds. Twigs are used as nest building material, grass and leaves are used for padding. The clutch of two to three eggs will hatch in about 28 days.
literature
- J. del Hoyo, A. Elliott, J. Sargatal (Eds.) (1992): Handbook of the Birds of the World . Vol. 1. Ostrich to Ducks. Lynx Edicions, Barcelona, ISBN 84-87334-10-5
Web links
- Theristicus melanopis inthe IUCN Red List of Threatened Species 2011.2. Listed by: BirdLife International, 2009. Retrieved November 13, 2011.
- Videos, photos and sound recordings of Black-faced Ibis (Theristicus melanopis) in the Internet Bird Collection
- BirdLife Species Factsheet