Alaska: Earth's Frozen KingdomSpring Clips

1. Web exclusive: Anan Creek bears

   Duration: 03:56

2. Sea otter pup

   Duration: 01:11

3. Alaskan black bear cubs

   Duration: 02:27

4. Web exclusive: A scourge of mosquitoes

   Duration: 00:30

5. Sperm whales and fishing boats

   Duration: 02:05