Biología de la conservación de la lapa verde : 1994-2006 : 12 años de experiencia = Conservation biology of the great green macaw : 1994-2006 : 12 years of experience /

by Chassot, Olivier, Chassot, Olivier, Monge, Guiselle, Powell, George
Published 2006

Parrots take it with a grain of salt : available sodium content may drive collpa (clay lick) selection in southeastern peru.

by Powell, Luke L.