Family Rails, Gallinules, Coots (Rallidae)

Least Concern

Uniform Crake (Amaurolimnas concolor)


French: Râle concolore German: Einfarbralle Spanish: Cotara café

Rallus concolor


, 1847,



Formerly placed in genus Laterallus; more recently, sometimes included, with Aramides, in Eulabeornis. Possibly derived from Aramides stock, and has identical bill structure to that of the smaller Aramides species. Two extant subspecies recognized.

Subspecies and Distribution
  • A. c. concolor (Gosse, 1847) – Jamaica (recently extinct).
  • A. c. guatemalensis (Lawrence, 1863) – S Mexico S to NW Ecuador (Esmeraldas).
  • A. c. castaneus (Pucheran, 1851) – N Venezuela, the Guianas, N, W & E Brazil (and patchily in cerrado and Mato Grosso#R), E Ecuador and E Peru; also recorded locally in Bolivia (Alto Madidi in La Paz, and Buena Vista in Santa Cruz).
  • Descriptive notes

    20–23 cm; 1 male 133 g, unsexed mean 95 g. Sexes alike. An entirely brown to rufous brown bird; superficially resembles a diminutive Aramides species in build... read more


    Loud, arresting whistled calls, reminiscent of Aramides. Song is series of 6–20... read more


    Forested swamps, moist and flooded forests, damp ravines, and heavy vine-tangled thickets along... read more

    Food and feeding

    Earthworms, insects, spiders, small frogs and lizards; also seeds and berries. Normally remains in cover; forages deliberately, walking... read more


    Costa Rica, breeding condition Jul, most song Aug–Dec, one probable nest Nov; Pearl Is (Panama), eggs found (possibly of this species... read more


    None recorded.

    Status and conservation

    Not globally threatened (Least Concern). Formerly considered to be locally distributed; by 1970s guatemalensis was regarded as very rare except in NE Costa Rica,... read more

    Recommended citation

    Taylor, B. (2020). Uniform Crake (Amaurolimnas concolor). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 9 April 2020).