Wildlife researchers are using trail cameras and infrared technology in addition to their usual aerial surveys of wild elk.
The Cool Down on MSN
Experts thrilled after trail cameras capture heartwarming scene in world's largest reserve: 'This is fantastic news'
Trail cameras like these have become essential tools in modern conservation. Experts thrilled after trail cameras capture ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results