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A Mystery in Alaska: Interview: Ecologist Andrew Trites
NATURE spoke with Trites about the complexities of Alaska's offshore ecosystems. A number of complex factors are likely to blame for the decline in Alaska's Steller's sea lions, he says.
A Mystery in Alaska: Interview: Fisheries Scientist Gary Thomas
Thomas says his team's work, which included surveying fish populations using sonar, has helped highlight the important role that herring play as a food source for sea lions.
A Mystery in Alaska: Interview: Filmmaker Shane Moore
In "A Mystery in Alaska" Moore leads viewers through the thicket of often conflicting explanations for why Alaska's Steller's sea lion population has fallen on hard times.
Great White Bear: Introduction
Discover the habits of these giant carnivores and find out the polar bears' secrets for surviving in the Arctic.
Great White Bear: Tracking Polar Bears
Scientists hoping to learn more about polar bears face an exhausting challenge: spending hours searching over huge territories and enduring harsh weather.
Sled Dogs: An Alaskan Epic: Interactive: Dogsledding 101
What type of dog makes the best sled dog? What commands does a musher use? What equipment is required to race? In Dogsledding 101, you can learn all this and more.
Showdown at Grizzly River: Introduction
The powerful McNeil River Falls is a very popular nursery spot for growing grizzly bears. Every summer, hundreds of the huge animals gather at the falls to feast on migrating salmon and find mates.
Showdown at Grizzly River: A Cub’s Life
Newborn bears arrive each January and February weighing less than a pound, nearly hairless and mostly helpless. But they put on weight fast, and by their first summer are able to follow their moms on hunting expeditions.
Sled Dogs: An Alaskan Epic: Production Credits
Ironically, the powerful, dedicated canines profiled in Sled Dogs: An Alaskan Epic are little more than mutts. They are mixed-breed huskies that have endurance.



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