Horned guan  (Oreophasis derbianus)

For more information on the horned guan see:

• BirdLife International:
  http://www.birdlife.org/datazone/species/index.html?action=SpcHTMDetails.asp&sid=95&m=0
• González-García, F., Romero, J.A.R. and Cóbar Carranza, A.J. (2006) Extinct in the Wild and Critically Endangered - Horned Guan (Oreophasis derbianus). In: Brooks, D.M., Cancino, L. and Pereira, S.L. (Eds.) Conserving Cracids: the most Threatened Family of Birds in the Americas. Houston Museum of Natural Science, Houston, Texas.