Hvaldimir, a beloved whale believed to have escaped a past life as a Russian spy, was found dead over the weekend in what animal rights organizations say were unnatural circumstances. The beluga — ...

Cook Inlet beluga whales, an endangered Alaskan population of about 300, use distinct call types for different activities.

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.