Grey-flanked Cinclodes

Overview

The grey-flanked cinclodes (Cinclodes oustaleti), formerly known as Oustalet's cinclodes, is a small bird species in the ovenbird family Furnariidae. It is classified as Least Concern by the IUCN but is believed to be experiencing a population decrease.

Identification

• Length of 17 to 18 cm with a medium-length, slightly decurved bill that is blackish or blackish horn.
• Plumage features a dark grayish brown crown, rich dark brown upperparts, and a white throat with dark scallops at the base.
• The breast is dull dark gray-brown with pale spots transitioning to streaks below, while the flanks are rich dark brown with whitish feather tips.
• The song is described as a fast, dry, twittery trill rising in pitch, introduced by a few single notes, and the call is a dry 'tsick'.

Habitat

Found in Argentina and Chile, ranging from the Antofagasta Region and Mendoza Province south to the Strait of Magellan, as well as on Desolación Island, Tierra del Fuego, and Alejandro Selkirk Island. It inhabits open grassy and rocky landscapes, often near streams in mountainous areas, and occupies elevations from sea level up to 4,200 m.

Diet

The species feeds on arthropods and is assumed to consume other invertebrates. It forages singly or in pairs, gleaning prey from the ground, mud, and rocks.

Did you know?

Nests are constructed at the end of a tunnel excavated by the bird in an earth bank, often a streamside one, and are floored with plant fibers and hair.