This Month in Photo of the Day: Animal Pictures

A pride of lions rests on a kopje, or rocky outcrop, near a favorite water hole in the Serengeti. Lions use kopjes as havens and outlooks on the plains. When the rains bring green grass, wildebeests arrive in vast herds.

See more pictures from the August 2013 feature story "The Short Happy Life of a Serengeti Lion."

Experience the world of the Serengeti lion »
Get the story behind photographing the lions »