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Mountain Lion, New Mexico, 1990

Photo: Mountain Lion

This mountain lion wears a radio collar to enable researchers to track his movements and an ear tag to help scientists identify him.

(Photograph shot on assignment for, but not published in, "Mountain Lions," July 1992, National Geographic magazine)

Photograph by George F. Mobley

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Photo Tip of the Week

Long Exposures

When making long exposures, use a remote release to avoid camera movement. If you don't have a remote release, use the camera's self-timer.

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