[6][7] The uniform crake was first described in genus Rallus and at various times since then placed in genera Aramides and Laterallus before its present Amaurolimnas.

Subspecies A. c. guatemalensis is found from Veracruz and Oaxaca in southern Mexico through Central America (except El Salvador) and western Colombia into northwestern Ecuador.

A. c. castaneus is found in northern Venezuela, the Guianas, several separate areas of Brazil both inland and coastal, eastern Ecuador and Peru, and locally in Bolivia.

[3] The uniform crake mostly forages in cover, where it searches leaf litter and other detritus and digs in mud with its bill.

[3] The uniform crake's breeding season is essentially unknown; in Costa Rica it does include July.

"Because of its secretive habits [the] species is undoubtedly overlooked, and is possibly more widely distributed than currently known, but [is] certainly adversely affected by destruction of its forest habitats.