Bernard Castelein / Razor-billed curassow, (Mitu tuberosum ) Pampas del Yacuma Protected Area, Bolivia

David Tipling / Razor-billed Currasow (Mitu tuberosum) Tambopata, Amazon, Peru

Edwin Giesbers / Razor billed curassow (Mitu tuberosum) head portrait, captive

Murray Cooper / Razor-billed Curassow (Mitu tuberosa) on shoreline, Peru

Luiz Claudio Marigo / Hunter showing dead Razor-billed Curassows (Mitu tuberosum) that he killed in the Amazon Upland Rainforest in Arum community, Piagacu-Purus Sustainable Development Reserve, Purus River, Amazonas State...

Michael & Patricia Fogden / Salvin's Curassow (Mitu salvini) in rainforest understory, Ecuador

Luiz Claudio Marigo / Hunter with Amazonian razor billed curassow birds {Crax mitu} Piagacu Purus Res, Brazil,

Staffan Widstrand / Razor billed curassow {Mitu tuberosum} Manaus, Brazil, South America

Mark Moffett / Mitu Mitu (Alagoas curassow) held by Roberto Azaredo, president of an institute that breeds endangered birds, he hopes one day to release the birds in a restored section of the Atlantic Forest near Be...

Nick Gordon / Razor Billed Curassow (Mitu tuberosum) Amazonia, Brazil. South America

Roland Seitre / Two Lesser razor-billed curassows (Mitu tuberosum) in farm yard, Estancia Tacuaral, Beni, Bolivia.

Roland Seitre / Lesser razor-billed curassow (Mitu tuberosum) head portrait, Estancia Tacuaral, Beni, Bolivia.

Roland Seitre / Lesser razor-billed curassow (Mitu tuberosum) foraging in grassy vegetation, Estancia Tacuaral, Beni, Bolivia.

Roland Seitre / Lesser razor-billed curassow (Mitu tuberosum) portrait, Estancia Tacuaral, Beni, Bolivia.

Roland Seitre / Salvin's curassow (Mitu salvini) head portrait, Tzanka Refuge, Zamora, Ecuador. Captive.

Roland Seitre / Salvin's curassow (Mitu salvini) portrait, Tzanka Refuge, Zamora, Ecuador. Captive.

Roland Seitre / Salvin's curassow (Mitu salvini) portrait, Tzanka Refuge, Zamora, Ecuador. Captive.

Roland Seitre / Salvin's curassow (Mitu salvini) portrait, Tzanka Refuge, Zamora, Ecuador. Captive.

Joel Sartore / Photo Ark / Razor-billed curassow (Mitu tuberosum) looking around, Urku Center. Captive.

Roland Seitre / Razor-billed Curassow (Mitu tuberosa), Colombia