White-throated wood warbler

White-throated wood warbler
White-throated wood warbler ( Granatellus venustus ), male
Systematics
Order : Passerines (Passeriformes) Subordination : Songbirds (passeri) Superfamily : Passeroidea Family : Cardinals (Cardinalidae) Genre : Singer Cardinals ( Granatellus ) Type : White-throated wood warbler
Scientific name
Granatellus venustus
Bonaparte , 1850

White-throated wood warbler, female

The white-throated wood warbler ( Granatellus venustus ) is a species of songbird from the family of wood warblers (Parulidae) that occurs in Central America .

description

Appearance

Adult white-throated wood warblers reach a length of 18.0 centimeters and a weight of 9.6 to 11.4 grams. There is a clear sexual dimorphism between the sexes . The head of the males is black, the throat and a stripe above the eyes are white. The back plumage, the wings and the control feathers are lead-gray to blue-gray. The entire underside is red and bordered by whitish flanks. The females show similar drawing elements as the males, but these are much paler in color, so the head and rest of the plumage are dull gray and the underside is yellowish. In both sexes, the beak is blackish-gray, as are legs and feet. The iris is black-brown.

Similar species

The white-browed wood warbler ( Granatellus sallaei ) is distinguished by its gray throat.

• 

  White-browed Wood Warbler
  (for comparison)

distribution and habitat

The distribution area of ​​the white-throated wood warbler includes areas in western Mexico . The species prefers to live in dense undergrowth, dry deciduous and thorn forests at the foot of low hills.

Subspecies

In addition to that of Sinaloa to Chiapas occurring nominate Granatellus venustus venustus another is subspecies known:

• Granatellus venustus francescae Baird , 1865, Marias Islands

Way of life

The birds mostly live in pairs and are true to their location. They feed primarily on arthropods (Arthropoda). The cup-shaped nest is made from withered grass, stems and roots from June and has an outer diameter of seven and an inner diameter of five centimeters. The nest depth is five centimeters. It is planted in dense bushes at low heights of up to one meter and provided with two to four eggs. The female incubates the eggs on her own. The young hatch after 14 days and fly out after eight to ten days.

Hazard and protection

The white-throated wood warbler is not uncommon in most of its distribution areas and is therefore classified as " Least Concern " by the World Conservation Organization IUCN .

literature

• Josep del Hoyo , Andrew Elliott, David A. Christie: Handbook of the Birds of the World. Volume 15: Weavers to New World Warblers. Lynx Edicions, Barcelona 2010, ISBN 978-84-96553-68-2 .

Individual evidence

1. ↑ J. Curson: Red-breasted Chat (Granatellus venustus). In: Josep del Hoyo, Andrew Elliott, J. Sargatal, David A. Christie, Eduardo de Juana (eds.): Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona 2016 ( accessed July 7, 2016 from hbw.com ).
2. ^ IOC World Bird List ( Memento from April 16, 2014 in the Internet Archive )
3. ^ IUCN Red List

Web links

Commons : White-throated Wood Warbler ( Granatellus venustus )  - Collection of images, videos and audio files

• White-throated wood warbler  (Granatellus venustus)  in the Encyclopedia of Life . Retrieved August 11, 2017.