16 filmed a female whale swimming with what they believed was a tail fin of a calf exposed from ... indicating that she gave birth after she was first spotted in the morning, the association ...

Whale sharks (Rhincodon typus ... this time making contact and briefly biting the tail. The female responded by rapidly pivoting with pectoral fins pointing downwards to face the male.” ...

A killer whale mother who carried her dead calf for 17 days in an apparent show of grief has given birth to a new calf, scientists have said. The orca, named Tahlequah and known to researchers as ...

It also used its tail for swimming. Further along this evolutionary journey ... It lived entirely in the water and was a good swimmer. It also gave birth to its young underwater. The descendants of ...

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 ...

In Antarctica, a scientist waits patiently for two frolicking humpback whales to poke their tails out of the icy waters so she can take a photographic “fingerprint” of the unique colours and ...