Photo of the Day 373

Yawning Tiger, Siberia, Russia, 2000

Photograph by Reza

The millions of acres of virgin forest in eastern Russia are home to an extraordinary variety of wildlife, including about 350 endangered Amur tigers, such as this adult yawning in a Siberian field.

(Photo shot on assignment for, but not published in, "Black Dragon River: On the Edge of Empires," February 2000, National Geographic magazine)