Golden-fronted Whitestart
Black ear - Warbler ( Myioborus ornatus )
The Blue-headed Warbler ( Myioborus ornatus ) is a small passerine bird in the genus Myioborus in the family of warblers ( Parulidae ). The main distribution area is located in the Andes of Colombia, as well as in the far north-western Venezuela. The IUCN lists them as " not at risk " (least concern).
Features
Black ear - Warbler reach a body length of 13 to 13.5 centimeters. The wing length is 6.9 to 7.5 inches in the male, the female, 6.5 to 7.1 centimeters. Adult Black ear - warbler the nominate and fledglings from the first year have a bright yellow crown feathers. The reins, the eye area as well as the front ear-coverts are white. The rear ear-coverts are black with white narrow, crescent- shaped edges. The sides of the neck and the neck are black; the top plumage is dark gray with an olive toned coat. The wings with gray feather edges and the tail feathers with white outer feathers are blackish. The Bottom Side plumage is bright yellow to golden yellow, the under tail-coverts white. Legs and beak are blackish. Males and females alike.
Differences is the subspecies Myioborus o chrysops through the yellow reins, the yellow eye area and the yellow front ear-coverts. The crown plumage is tinted slightly lighter than in the nominate and orange. The black neck feathers gazing out to the rear crown plumage. The underside plumage is golden yellow with an orange tint.
Resources, nutrition and reproduction
Black ear - warblers are primarily resident birds and migrate only limited in the high altitudes of the stations inhabited by them. They live in pairs or in small groups, mountain forests and cloud forests at altitudes of 2000-3400 meters, but are usually found above 2400 meters. Their diet consists mainly of insects and other invertebrates. This catch either like the flycatchers from a sitting room or browse them on the outermost branches of the trees. As nesting material for the cup-shaped nest they use, among other plant fibers. Little is known about the breeding season. In July a male was seen in Colombia and fledgling fledglings in March in Huila, in May and July in Cauca and in April and November in Cundinamarca.
Subspecies and distribution
This type forms with the bird spectacles Warbler ( Myioborus melanocephalus ) is a super species to which probably the White-fronted Warbler ( Myioborus albifrons ) and the Salvin Warbler ( Myioborus flavivertex ) belongs.
There are two recognized subspecies:
- Myioborus o ornatus ( Boissonneau, 1840) - Comes in the eastern Andes of Colombia and adjoining north-western Venezuela ( Páramo de Tamá; southwestern Táchira ) before and southern Colombia into the district in central Bogotá Colombia.
- Myioborus o chrysops ( Salvin, 1878 ) - Comes in the southern part of the eastern Andes in Colombia before and in the central and western Andes of Colombia. Further dissemination areas are located in southern Colombia.
Etymology
Auguste Boissonneau described this black ear - Warbler initially Setophaga ornata. The word " Myioborus " is derived from the Greek word " Muia " for " Fly " and " Parus " for " tits " together. The epithet " ornata " comes from Latin and means " decorated ". The name " chrysops " in the subspecies stands for the Greek word " khusops ," which as much as " gold, gold shimmering " means.