Eurasian Warbler
| Eurasian Warbler | ||||||||||||
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Eurasian Warbler ( Setophaga vitellina ) |
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| Systematics | ||||||||||||
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| Scientific name | ||||||||||||
| Setophaga vitellina | ||||||||||||
| ( Cory , 1886) |
The yolk warbler ( Setophaga vitellina , Syn .: Dendroica vitellina ) is a small songbird from the genus of the tree warbler ( Setophaga ) in the family of the wood warbler (Parulidae). The distribution area is on the Cayman Islands and on the Swan Islands belonging to Honduras in the Caribbean . The species forms a superspecies with the rust-crowned wood warbler ( Setophaga discolor ) . Some authors of the prairie warbler and the yolk warbler is also called conspecific considered. The IUCN lists them as "near threatened".
features
American Warbler reach a length of 13 centimeters and weigh 6.2 to 7.5 grams. The wing length is 5.5 to 6 centimeters in the male and 5.2 to 5.8 centimeters in the female. Adult males of the nominate form have dark olive-green crown, neck, side and top plumage. The blackish wings have olive-colored feather edges. The superciliar stripe is yellow and the eye line is blackish. The faint gray streak of beard merges in a semicircle with the olive-green ear covers and includes a yellow area below the eye. The underside plumage is light yellow with olive-washed stripes on the flanks. The beak is blackish; the legs are blackish-brown.
Adult females are similar to males. The less pronounced superciliar stripe is shorter, the ear covers more yellow and the plumage overall more blunt.
Occurrence, nutrition and reproduction
Yolk Warbler are resident birds and inhabit thickets, coastal bushes, urban areas as well as forest landscapes, forest clearings and similar vegetation. On Little Cayman and Cayman Brac , the subspecies Setophaga v. crawfordi is easy to spot, while the nominate form lives more hidden on Grand Cayman . Like many warbler species, they mainly feed on insects and other invertebrates . The bowl-shaped nest is built in the thick undergrowth. The breeding season takes place between April and June. A clutch usually consists of two eggs.
Subspecies
There are three recognized subspecies:
- Setophaga v. vitellina Cory, 1886 - Grand Cayman
- Setophaga v. crawfordi Nicoll, 1904 - Little Cayman and Cayman Brac
- Setophaga v. nelsoni Bangs, 1919 - Swan Islands
swell
literature
- Jon Curson, David Quinn, David Beadle: New World Warblers. Helm, London 1994, ISBN 0-7136-3932-6 .
Web links
- Setophaga vitellina in the endangered Red List species the IUCN 2008. Posted by: BirdLife International, 2008. Accessed on 16 February, 2009.
- Wood Warbler at ITIS