Aztec rail

The Aztec rail or Mexican rail, (Rallus tenuirostris) is a Near Threatened species of bird in subfamily Rallinae of family Rallidae, the rails, gallinules, and coots. It is endemic to Mexico.

The Aztec rail is 33 to 42 cm (13 to 17 in) long. Males weigh 271 to 331 g (9.6 to 12 oz) and females 220 to 268 g (7.8 to 9.5 oz). The sexes have similar plumage. The species has dark and light morphs. The dark morph has rich brown upperparts with blackish markings on the back. It has a pale pinkish cheek stripe and a white chin and throat. Its underparts are rufous with dull brown and white to pinkish cinnamon barring on the flanks and white undertail coverts. The light morph's underparts have a pale white center with a pinkish cinnamon wash. Juveniles have duller and darker upperparts and paler underparts than adults.