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An Australian sea lion mugs for the camera off Adelaide, Australia. These highly endangered sea mammals have been hurt by decades of overhunting.
(Photo shot on assignment for, but not published in, "Great White: Deep Trouble," April 2000, National Geographic magazine)
Take a photographic journey through Montana and enter for a chance to win a trip for two!
Check out adventure videos from our West Coast Adventure Editor Steve Casimiro and go "Behind the Lens."
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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