Say hi to my big buddy "King". This old boy is a western lowland gorilla that I used to care for as a keeper at a wildlife park I worked at in Florida. Though he has a sour way of showing it, King is actually quite happy in this photo. He was giving me whats known as a "contenment grumble" as he had a mouthful of one of his favorite treats... Frozen grapes.
ISO 400, 1/200 second at f/4. Cropping, monotone conversion and minor adjustments made in Adobe Photoshop CS3
Canon 40D, Sigma 100-300mm f/4 lens.