Gray-cheeked Warbler
| Gray-cheeked Warbler | ||||||||||||
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| Systematics | ||||||||||||
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| Myiothlypis griseiceps | ||||||||||||
| ( Sclater & Salvin , 1869) |
The gray-cheeked wood warbler ( Myiothlypis griseiceps , syn .: Basileuterus griseiceps ) is a small songbird from the genus Myiothlypis in the family of the wood warbler (Parulidae). The small birds are common in the northeast of Venezuela . The IUCN has listed them as "Endangered" since 2000.
features
Gray-cheeked warbler reach a body length of fourteen centimeters. The length of the wings is 5.6 centimeters in the male, there is no precise information on the female. Adult gray-cheeked warblers and young birds from the first year on have dark gray corolla and neck plumage. The crown is streaked with slightly washed-out olive color at the back; in the front area with fine blackish. The rest of the head plumage is gray with fine white spots under the eye and fine white lines in the cheek area. The beak is blackish; the legs flesh-colored. They have olive-green upper plumage and yellow lower plumage.
Occurrence, nutrition and reproduction
Gray-cheeked warblers are endemic to northeast Venezuela. They inhabit the mountains of the Cordillera de Caripe coastal range on the border areas of Monagas (Cerro Turumiquire and Cerro Negro in the El Guácharo National Park), Anzoátegui and in the southwest of Sucre . There they occur mainly in the undergrowth in cloud and cloud forests , secondary forests and clearings at heights of 1200 to 2440 meters; however, they are usually found at altitudes of 1400 to 2100 meters. Like all warbler species, they mainly feed on insects and other invertebrates . Nothing more is known about the breeding behavior.
Hazard status and inventory figures
Gray-cheeked warbler belong to the rarest forest warbler species. The IUCN lists them as "Endangered". Due to clearing for coffee plantations, the suitable habitat is noticeably reduced. Documented is a sighting in 1963 at Cerro Turumiquire as well as a single bird in 1987 and two birds in 1993 on Cerro Negro in February. The bird protection organization BirdLife International estimates the population to be between 2,500 and 10,000 individuals.
swell
literature
- Jon Curson, David Quinn, David Beadle: New World Warblers. Helm, London 1994, ISBN 0-7136-3932-6 .
Web links
- Basileuterus griseiceps inthe IUCN 2018-2 Red List of Threatened Species . Listed by: BirdLife International, 2016. Retrieved December 26, 2018.
- Gray-cheeked Wood Warbler at BirdLife International