Oaxaca Sparrow

The Oaxaca sparrow (Aimophila notosticta) is a species of bird in the family Passerellidae, the New World sparrows. It is endemic to southern Mexico. == Taxonomy and systematics == The Oaxaca sparrow was formally described in 1868 with the binomial Peucaea notosticta. It was later reassigned by some authors to genus Ammodramus and then in 1901 to its present Aimophila. The Oaxaca sparrow is monotypic. == Description == The Oaxaca sparrow is 15 to 16.5 cm (5.9 to 6.5 in) long and weighs 26 to 30 g (0.92 to 1.1 oz). The sexes have the same plumage. Adults have a reddish brown crown with thin black streaks and a thin gray stripe in its middle. They have dark brown lores, a white streak above the lores, a white eye-ring, and a dark brown stripe behind the eye on an otherwise brownish gray to light gray face. Their back is grayish brown with wide black streaks. Their wings are mostly grayish brown with chestnut brown or rufous edges on the secondaries and tertials. Their wing's greater coverts are dark brown with paler outer edges. Their tail is dark brown. Their chin, throat, and belly are buffy whitish with a blackish stripe…