Defenders in Alaska

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Fact Sheet
Adult beluga whales are easily distinguished by their pure white skin, their small size and their lack of dorsal fin. The beluga has a broad and rounded head and a large forehead.
Northern long-eared bat, © Steven Thomas/NPS
Fact Sheet
Bats are the only mammals capable of true flight. With extremely elongated fingers and a wing membrane stretched between, the bat’s wing anatomically resembles the human hand.
Learn More
During Sea Otter Awareness Week, learn about how important these marine mammals are to the ecosystems in which they live, and what you can do to help them survive.