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DENVER, CO. - NOVEMBER 16: Delilah, a Black Palm Cockatoo, is displayed by Felicia Nickols during the Rocky Mountain Bird expo at the National Western Complex in Denver, CO November 16, 2013.(Photo By Craig F. Walker / The Denver Post)

DENVER, CO. - NOVEMBER 16:  Delilah, a Black Palm Cockatoo, is displayed by Felicia Nickols during the Rocky Mountain Bird expo at the National Western Complex in Denver, CO November 16, 2013.(Photo By Craig F. Walker / The Denver Post)