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6:09
A look at raccoons’ migration to big cities.

4:45
An overview of how thousands of raccoons ended up in Japan and the dangers they pose.

5:40
Scientists are using modern technology to gain a deeper understanding of raccoon behavior.

4:02
A look at how raccoon kits are raised by and learn from their mothers.

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.

3:29
Filmmaker Shane Moore on filming techniques he used on Fortress of the Bears.

1:17
Admiralty Island hosts the largest concentration of brown bears in the world.

4:30
The crew gets creative when tides prove a challenge for filming on Admiralty Island.

1:19
A mother bear is desperate to catch fish to feed her famished cub.

3:46
Discover how a lion is able to bring down its prey, a hulking adult wildebeest.

3:53
The paradise tree snake can sail as far as 300 feet to get defend itself from predators.