Fawn-breasted Wren (Cantorchilus guarayanus)

Fawn-breasted Wren

Cantorchilus guarayanus

Least Concern

Overview

The fawn-breasted wren (Cantorchilus guarayanus) is a species of bird in the family Troglodytidae found in Bolivia, Brazil, and Paraguay. It is classified as Least Concern by the IUCN and is believed to be fairly common across its range.

Identification

  • 13.5 cm in length and weighing 13 to 14 g.
  • Plain medium brown upperparts that become rufescent on the lower back and rump, with a reddish brown tail featuring crisp black bars.
  • A narrow white supercilium mostly behind the eye, with cheeks mottled gray-white and blackish, and distinct black malar and moustachial stripes.
  • Warm orange-buff chest and belly, with a whitish chin.

Habitat

This species inhabits várzea scrubland and secondary forest, usually near water, across northeastern Bolivia, western Brazil, and northeastern Paraguay. Its elevation range extends up to approximately 400 m.

Diet

The diet of the fawn-breasted wren has not been documented. It forages in dense growth, typically from the ground up to 4 m above, though occasionally as high as 10 m.

Did you know?

Members of a pair sing antiphonally, with the male producing a 'cheerilo-choli' sound and the female responding with 'pew-pew, pew-pew'.

Sources