Two-tone bank rocker
| Two-tone bank rocker | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Two-tone bank rocker |
||||||||||||
| Systematics | ||||||||||||
|
||||||||||||
| Scientific name | ||||||||||||
| Cinclodes olrogi | ||||||||||||
| Nores & Yzurieta , 1979 |
The two-colored Uferwipper ( Cinclodes olrogi ) is a passerine bird from the genus of the Uferwipper ( Cinclodes ) within the family of the potter birds .
description
The two-color bank rocker is a small bird with a medium-long, slightly downwardly curved beak, which reaches a size of 16 cm (females) to 17 cm (males) and a weight of 24 to 32 g. The over-eye stripe is white. The crown of the head, the reins and the area around the ears are black-brown. The underside is dark gray-brown with a faint chestnut tint. The wings are darker. A distinctive white band runs over the base of the arm wings. The tail is dark gray-brown. The tail edges are darker. The tips of the outer tail feathers are dull reddish brown. The throat and chest are white. The chest has a slight scale pattern. The rest of the underside is light dull brown. The featherless parts of the body are dark brown or black. The sexes are similar. The juvenile birds have not yet been described.
distribution and habitat
It is endemic to the Argentine provinces of Córdoba and San Luis . Its habitat are rivers, streams, rocky slopes and grasslands at an altitude of 900 - 2800 m.
Taxonomy
The two-color bank rocker was named after the Argentine ornithologist Claës Christian Olrog (1912–1985). It was first described in 1979. Some scientists initially thought it was a subspecies of the gray-flanked wipper ( Cinclodes oustaleti ), while others saw it as a subspecies of the short-beaked wipper ( Cinclodes fuscus ). In 1990 it was classified as a separate species.
literature
- James Van Remsen: Furnariidae (Ovenbirds). In: Josep del Hoyo , Andrew Elliott, Jordi Sargatal : Handbook of the Birds of the World. Volume 8: Broadbills to Tapaculos. Lynx Edicions, Barcelona 2003, ISBN 84-87334-50-4 , p. 254.
Web links
- La Remonilera de Orlog (Spanish)
- Cinclodes olrogi inthe IUCN 2013 Red List of Threatened Species . Listed by: BirdLife International, 2012. Retrieved September 2, 2013.