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) [XC232754]
by Jacob Wijpkema from Pantiacolla Lodge, Madre de Dios, Peru (call)
Razor-billed Curassow (Mitu tuberosum) [XC639889]
by Nunes D\u00b4Acosta from Reserva Biol\u00f3gica do Jar\u00fa, Ji-Paran\u00e1, Rond\u00f4nia, Brazil (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.