The isolated Cook Inlet beluga whale population must also contend with the increasingly ... Unmistakable as adults, their color lightens to white, and they have a dorsal ridge rather than a fin.
Lacking a dorsal fin may also help them keep warm ... The characterful face of a beluga whale. Unlike other whales, they can turn their heads from side to side.© JohnL/ Shutterstock Are belugas whales ...
The isolated Cook Inlet beluga whale population must also contend with the increasingly ... Unmistakable as adults, their color lightens to white, and they have a dorsal ridge rather than a fin.
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