Black-cheeked Warbler
Black -cheeked Warbler ( Basileuterus melanogenys )
The Black -cheeked Warbler ( Basileuterus melanogenys ) is a small passerine bird in the family of warblers ( Parulidae ).
Black -cheeked Warbler reach a body length of 13.5 centimeters. The wing length is 5.9 to 6.6 inches in the male, the female, 5.4 to 6.5 centimeters. Adult Black -cheeked warblers have a reddish-brown crown, a black cheeks and a broad white Superciliarstreifen, which is bordered above by a thin black Superciliarstreifen and both run to the neck. The upper plumage is olive to olive gray side, the underside plumage yellow white and the breast and flanks olive-gray. Young birds wear a pale, olive Superciliarstreifen that starts behind the eye and terminating in the neck, a olivbraunes top plumage and have a grayer throat and breast feathers.
The distribution area extends from Costa Rica to Panama. Black -cheeked Warbler inhabit in pairs or in small groups mountainous oak forests with dense bamboo undergrowth from a height of 2500 meters; However, they occasionally occur even up to a height of 1600 meters. They feed mainly on insects and spiders, and occasionally berries.
There are three recognized subspecies:
- Basileuterus melanogenys melanogenys SF Baird, 1865 - Central and Southern Costa Rica
- Basileuterus melanogenys bensoni Griscom, 1927 - West Central Panama ( Chitre, Veraguas, partially also in the east of Chiriquí )
- Basileuterus melanogenys eximius Nelson, 1912 - Western Panama (occurrence is limited to Boquete in Chiriqui Province )