Beluga whales in the High Arctic during summer. A group of beluga whale bulls in a bay, followed by two cow-calf pairs in a shallow river estuary. An all-male group of beluga whale bulls swims ...

Alaska's Cook Inlet was home to nearly 1,300 beluga whales in the late 1970s, but today the population hovers around 300. Despite almost two decades of recovery work, the whales aren't bouncing back.

If you liked this story, share it with other people. Beluga Cam is a long-running initiative that aims to document the migration of almost 57,000 beluga whales through Hudson Bay in Canada. The ...