Black-headed Parrot
Pionites melanocephala

see larger image Black-headed Parrot Pionites melanocephala Austin Zoo - Austin, TX © 2004 Jeff Whitlock see larger image Black-headed Parrot Pionites melanocephala Waccatee Zoo - Myrtle Beach, SC © 2005 Jeff Whitlock

Related Links
Flickr - may have photos
Wikipedia - may have a species page