Oaxaca Sparrow

Overview

The Oaxaca sparrow (Aimophila notosticta) is a species of bird in the family Passerellidae, the New World sparrows. It is endemic to southern Mexico and is currently classified as Least Concern by the IUCN.

Identification

• Length of 15 to 16.5 cm and a weight of 26 to 30 g.
• Adults possess a reddish brown crown with thin black streaks and a central thin gray stripe, with a grayish brown back featuring wide black streaks.
• A black bill, sometimes with a pale gray mandible, and pinkish legs and feet.
• Song described as an "ultra high sharp tsjéeh-wehwehwehweehweeh" or "swi chi-chi-chi-chi-chi chu-chu-chut".

Habitat

Found in arid and semi-arid oak scrub, oak-thorn scrub, and open woodland in central and northwestern Oaxaca, Mexico, with possible presence in adjoining southwestern Puebla. The species typically inhabits elevations between 1,500 and 2,000 m. It is a year-round resident in its range.

Diet

The diet is believed to consist of seeds, insects, spiders, and fruits. It feeds on the ground, usually singly or in pairs.

Did you know?

Although its estimated population of at least 20,000 mature individuals is decreasing, the species is considered safe from significant habitat loss because most of its habitat is situated on very steep slopes, which limits the impact of vegetation cutting and cattle-ranching.