Other Scientific Names
Crax tuberosa [BirdLife International (2004)], Crax tuberosa [Stotz et al. (1996)], Crax tuberosa [Sibley and Monroe (1990, 1993)], Mitu tuberosa [Sibley and Monroe (1990, 1993)]
Razor-billed Curassow (Mitu tuberosum) [XC639889]
by Nunes D\u00b4Acosta from Reserva Biol\u00f3gica do Jar\u00fa, Ji-Paran\u00e1, Rond\u00f4nia, Brazil (song)
Razor-billed Curassow (Mitu tuberosum) [XC389729]
by Bobby Wilcox from Dekma, Santa Cruz, Bolivia, Bolivia (song)
Subspecies
All members of genus form superspecies. Often considered conspecific with Alagoas Curassow (Mitu mitu).
Has hybridized in captivity with several other species of curassow, including Blue-billed Curassow (Crax alberti), and some of these hybrids were fertile. Reported to be marginally sympatric with Salvin's Curassow (Mitu salvini) at some localities in Peru.