This turned out to be a particularly good day for closeups, with great light.
This next shot is not cropped by the way, he was almost too close for my 300mm lens. Probably just a few feet past the minimum focus distance.
Sometimes I get the feeling I'm being watched.
Click here to see more images of Christopher and Conner, the Malayan Tigers at the San Diego Zoo, from Saturday, December 29, 2012.