The refuge list contains 44 species of mammals. These photos are a representative sample.
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Whooping Cranes, named for their loud and penetrating unison calls,
live and breed in wetland areas, where they feed on crabs, clams,
frogs and aquatic plants. They are distinctive animals, standing five
feet tall, with white bodies, black wing tips and red crowns on their
They are also one of the most endangered. With fewer than 500 left in
the wild, whooping cranes are on the verge of extinction.