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5:40
Scientists are using modern technology to gain a deeper understanding of raccoon behavior.
4:45
An overview of how thousands of raccoons ended up in Japan and the dangers they pose.
3:04
Fortress of the Bears filmmakers recap on the time they spent shooting in Alaska.
1:03
It's taken all spring and summer, but salmon finally return to Admiralty Island to spawn.
5:21
Sound Recordist Dave Ruddick explains how he records surround sound in the field.
1:23
Scientists compare wolf pups living outside Chernobyl with those living inside the zone.
1:19
Przewalski's horses have been released in the zone, to restore the land's biodiversity.
2:13
A once thriving metropolis is now green, in an unnerving and unintentional way.
1:23
A family of bison ward off a pack of wolves as they begin to feed on a fallen calf.
