This image provided by Explore.org shows Denver Holt of the Owl Institute 

This image provided by Explore.org shows Denver Holt of the Owl Institute tagging a long-eared owl outside Missoula, Mont. Holt has been studying the long-eared owl for 27 years. He's banded over 1,700 of the birds and found 225 nests in a 90-mile stretch through Montana. But he's never been able to see what the nocturnal birds do at night _ until now. An infrared camera on top of a pole in willow thickets on Montana rangeland has been aimed at a long-eared owl nest. The long-eared owl cam is part of explore.org's "Pearls of the Planet" Internet initiative. (AP Photo/Explore.org, Christina Nealson)
Associated Press
This image provided by Explore.org shows Denver Holt of the Owl Institute tagging a long-eared owl outside Missoula, Mont. Holt has been studying the long-eared owl for 27 years. He's banded over 1,700 of the birds and found 225 nests in a 90-mile stretch through Montana. But he's never been able to see what the nocturnal birds do at night _ until now. An infrared camera on top of a pole in willow thickets on Montana rangeland has been aimed at a long-eared owl nest. The long-eared owl cam is part of explore.org's "Pearls of the Planet" Internet initiative. (AP Photo/Explore.org, Christina Nealson)
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