Family Guans, Chachalacas, Curassows (Cracidae)

Near Threatened

Crestless Curassow (Mitu tomentosum)


French: Hocco de Spix German: Samthokko Spanish: Paují culicastaño

Crax tomentosa


, 1825,

Barcelos, Amazonas, Brazil


All members of this genus have been placed, together with the members of Pauxi, and less often Nothocrax, in Crax. Genetic evidence indicates that present species is closest to M. mitu#R. Range meets that of M. salvini in C Colombia, but without any evidence of interbreeding, and the two may be segregated by habitat#R. Monotypic.


E Colombia and NW Brazil (E of upper R Negro and R Branco) E to Venezuela (mainly S of R Orinoco, N to Apure and NW Bolívar) and S Guyana.

Descriptive notes

75–85 cm; male 2300–3050 g, female 1300–2425 g. Lacks crest and also any swelling on red bill, which can have paler tip. Combination of rich chestnut belly... read more


Sings either from ground or an elevated perch, c. 1–1·5 m above ground, and vocalizes... read more


Rainforest, mainly along rivers; in Colombia, humid terra firme forest, especially along... read more

Food and feeding

No empirical information on diet, although indigenous tribes in S Venezuela report that species takes fallen fruits of at least 16... read more


Probably begins with arrival of rains; two nests with eggs in Jun in Orinoco, Venezuela; birds in breeding condition in S Amazonas,... read more


No information available, but presumably sedentary, other than that birds apparently move locally... read more

Status and conservation

Not globally threatened. Currently considered Near Threatened. In Venezuela, reasonably common around Junglaven Jungle Lodge and in R Caura watershed, while singles or pairs... read more

Recommended citation

del Hoyo, J. & Kirwan, G.M. (2020). Crestless Curassow (Mitu tomentosum). 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 18 February 2020).