On-air correspondent Steve Backshall climbs into the heart of a moulin - the whole carved by melted water as it makes its way through a glacier.
Join host Chris Kratt as he explores how beavers construct their habitats.
Dr. Joy Reidenberg explains the differences between black and brown bear claws.
Watch the climax of Alaska’s great feast and venture into Kodiak for elusive wolves.
See nature’s greatest drama LIVE wild animals converge for Alaska’s summer feast.
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