Crescent-chested Warbler
Jewelry Warbler ( Parula superciliosa )
The jewelry Warbler ( Parula superciliosa ) is a small passerine bird in the genus Parula in the family of warblers ( Parulidae ). The distribution area extends from Mexico to Guatemala, El Salvador, Honduras and Nicaragua. The IUCN lists the species as " not at risk " ( least concern ).
Features
Jewelry Warbler reach a body length of 11 centimeters. The wing length is 5.9 to 6.8 inches in the male, the female, 5.3 to 6.2 centimeters. Adult jewelry Warbler of the nominate and fledglings from the first year to have a slate-gray crown. The neck, the sides of the neck and the jacket are also slate gray. The Superciliarstreif is narrow in the front area and hardly occurs forth; behind the eye it is wider and white and runs down to the neck. The reins and ear-coverts are blackish - gray; the back and the scapulars, and the body olive green and the wings and tail blackish with gray feather edges and slate-gray upper tail-coverts. Throat and breast are olive-yellow on the sides, in the middle as well as the upper abdomen yellow to light yellow. The rest of the underside plumage is white. The bill is blackish; the legs are flesh-colored dark.
Male jewelry warblers have a concise, differently colored, crescent- shaped mark on the chest. In the slightly less contrast -colored females it is narrower. The five subspecies differ only slightly.
Resources, nutrition and reproduction
Jewelry Warbler are mostly non-migratory birds. Are documented walks up to southern North America. Preferred habitats are located in pine - oak forests and cloud forests at altitudes of 1100-3500. You feed mainly on insects and other invertebrates. The cup-shaped nest they lay well hidden in among dead leaves on the ground. As nesting material they use, among others, moss, grass and pine needles. A clutch consists of two to three eggs. Are hatched the eggs in thirteen to fourteen days.
Subspecies and distribution
There are five recognized subspecies:
- Parula see superciliosa ( Hartlaub, 1844) - Comes in the Highlands in southeastern Chiapas in Mexico before and in Guatemala, El Salvador and western Honduras.
- Parula see mexicana Bonaparte, 1850 - May occur in the Sierra Madre Oriental mountain range in eastern Mexico; Nuevo León to the central Veracruz. Further dissemination areas are located in Michoacán and Jalisco in western Mexico.
- Parula see parva (W. Miller & Griscom, 1925) - Widespread in the highlands of central and eastern Honduras and Nicaragua.
- Parula see palliata (van Rossem, 1939) - The distribution area extends from southern Jalisco Michoacán over until after Guerrero in Mexico.
- Parula see sodalis (RT Moore, 1941) - deposits are found in the mountain range Sierra Madre Occidental in northwestern Mexico and southern Chihuahua to the north of Jalisco.