Guira Cuckoo (Guira guira)

A scruffy looking bird, the Guira Cuckoo has a rufous crest and orange-yellow bill and eye

For more information, please read http://www.arthurgrosset.com/sabirds/guira%20cuckoo.html

Thanks to Roscoe_vm http://forums.dpreview.com/forums/postersprofile.asp?poster=hjizikizhliu) for the tip.