White-browed Ground Tyrant
The rust Cap reason tyrant ( Muscisaxicola albilora ) or sometimes Rotkäpchentyrann is a species of bird in the tyrant flycatcher family ( Tyrannidae ). The species has a large distribution area, which includes the countries of South America Argentina, Chile, Bolivia, Peru, Ecuador and Colombia, and the Falkland Islands. The stock is assessed by the IUCN as endangered not (Least Concern ).
Features
The rust Cap reason tyrant reaches a body length of about 17 to 17.5 centimeters. The forehead is brown and has a broad peak at the back of yellow -brown color. The back is gray-brown to brown. The underside is decorated with a matte pale gray, which is whitish on rump. The wings are only slightly light- lined. The white over eye-streak is gray behind the eye.
In young birds the entire crown is brown. The shield springs, medium and large elytra decorated with a thin, dull, reddish hem.
Distribution and habitat
Rust Cap reason tyrant breed on rocky, barren, almost barren slopes near clear, water-bearing valleys. In winter, they are often found in swampy areas and near lakes. They breed in summer at altitudes from 1500 to 2500 meters on the Chilean side of Aconcagua to the province of Magallanes. In neighboring Argentina, the breed of the province of Neuquén to Santa Cruz and isolated in the plateau of Somuncurá in the province of Río Negro. In winter they move to altitudes between 3000 and 4000 meters to Bolivia, Peru, Ecuador, and to the department of Nariño in Colombia. Especially in Peru they are very frequently encountered in winter from April to October. In Ecuador, they are rather than rare migrants, but come up near the Pichincha volcano Pichincha ago. The ornithologist Bernardo Ortiz von Halle has her first detected in 1990 on the Colombian island of Gorgona.
Behavior
The Rust Cap reason tyrants are solitary and close only on the train to loose groups. During courtship in the air it rises with dangling feet and splayed tail slowly and then throw themselves to the ground. The whole thing happens relatively quiet. During their turf wars they lift threatening one or both wings to reignite the tail and move its vertex on. Occasionally they turn it by also her body. If they occur very aggressive, then you see them flapping in the air, the tail is also fanned.
Etymology and History of Research
Frédéric de Lafresnaye had bought the type specimen to its first description by kind dealer Émile Parzudaki. Parzudaki had received the bellows again from Chile.
The word Muscisaxicola is composed of the Latin words " Muscicapa " and " Saxicola " together .. » Muscicapa " is in turn composed " musca " for " Fly " and " capere " for " catch " together and thus means " flypaper ". "Even Saxicola " consists of the words " saxum " for " stone, rock " and " cola " for " residents ". The specific epithet albilora also comes from Latin and is made up of " albus " for " white " and " Lorus, Lorum " for " hard-on " together.