Although beluga whales are predators, feeding on fish, crustaceans, and molluscs, they’re also hunted by polar bears and orcas – also known as killer whales. Belugas lack the dorsal fin that stands up ...

Whale shark with injury to the dorsal fin, likely to be caused by collision with a vessel. Credit: Gonzalo Araujo ...

At birth, beluga whales are 5 feet long, roughly 100 pounds, and dark blue-gray in color. Unmistakable as adults, their color lightens to white, and they have a dorsal ridge rather than a fin. Belugas ...

Here’s a summer “staycation” idea: From the comfort of your own home, you can watch—and listen to—tens of thousands of beluga whales ... Instead of a dorsal fin, belugas have a dorsal ...

At birth, beluga whales are 5 feet long, roughly 100 pounds, and dark blue-gray in color. Unmistakable as adults, their color lightens to white, and they have a dorsal ridge rather than a fin. Belugas ...