Masked Tityra
Birds of Panama - large bird photo gallery
The Masked Tityra (Tityra semifasciata) a medium-sized passerine bird is found in forest and woodland from Mexico, through Central America, to northwestern and central South America (as far south as Paraguay). For more details from Wikipedia about the Masked Tityra please see this page here.
This Masked Tityra image was taken near the Summit Garden Nature Park, Panama.