Family Guans, Chachalacas, Curassows (Cracidae)

Near Threatened

Yellow-knobbed Curassow (Crax daubentoni)


French: Hocco de Daubenton German: Gelblappenhokko Spanish: Pavón porú

Crax Daubentoni

G. R. Gray

, 1867,

“Central America”? = Venezuela


Most closely related to C. rubra and C. alberti#R. Previously treated as a race of latter. Form C. viridirostris, with green cere, is based on aberrant individual of present species or a hybrid between latter and another Crax (see C. alberti). Form C. incommoda was described from a rather unusual female specimen of present species. Monotypic.


N Venezuela N of R Orinoco (from Maracaibo basin and Táchira E to Sucre and Monagas) and immediately adjacent parts of Colombia (in La Guajira, Norte de Santander, Boyacá and Arauca).

Descriptive notes

84–92·5 cm; male 2925–3200 g, but one bird 1625 g; one female 2325 g. Male is only Crax with yellow cere that has prominent knob on bill and... read more


Males sing—the ‘bomb-dropping’ c. 4-second descending whistle (without the... read more


Most commonly found in gallery forests and tall scrub of Venezuelan and Colombian llanos;... read more

Food and feeding

Diet includes fruit (49% of stomach contents), seeds (48%), leaves (1%), gravel and earth (2%0, insects (Coleoptera), flowers, roots, fungi... read more


Laying in May–Jun in Venezuelan llanos, during early rains; two females with eggs in May in Colombia; one juvenile in Aug on... read more


No information available; presumably sedentary.

Status and conservation

Not globally threatened. Currently treated as Near Threatened. Is, or was, common in llanos, at least in Venezuela, and continues to be relatively plentiful in some... read more

Recommended citation

del Hoyo, J. & Kirwan, G.M. (2020). Yellow-knobbed Curassow (Crax daubentoni). 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 28 March 2020).