Chachalacas, Guans and Curassows (Cracidae)

Great Curassow (Crax rubra) - HBW 2, p. 359

French: Grand Hocco German: Tuberkelhokko Spanish: Pavón Norteño
Other common names: Great Crested/Mexican/Globose Curassow; Cozumel Curassow (griscomi)

Taxonomy: Crax rubra Linnaeus, 1758, no locality.
All members of genus form superspecies. C. globicera is synonym. Bogus forms "C. chapmani" and "C. hecki" described from females of rare barred morph. Birds occurring S from S Nicaragua described as separate species, "C. panamensis", but not now accepted even as race. Taxonomic revision of populations required, especially in S of range, as undescribed races may be found. Species has hybridized with C. alberti and C. alector, producing fertile offspring. Two subspecies recognized.

Subspecies and Distribution:

  • rubra Linnaeus, 1758 - E Mexico S through Central America to W Colombia and W Ecuador.
  • griscomi Nelson, 1926 - Cozumel I, on coast of Yucatán, SE Mexico.