Marine mammal news, features and articles

Carcasses of seals, sea lions and birds were found on Tyuleniy Island in the Sea of Okhotsk by environmental groups who were there to clear up plastic pollution.

Paleontologists in Egypt have described a new species of extinct whale that was dwarfed by other basilosaurids.

The latest footage follows two other sightings of all-white, newborn humpback calves — but experts aren't convinced these whales are albino like the famous Migaloo.

One marine mammal has been documented diving as deep as 9,816 feet — equivalent to the depth of over 30 Statues of Liberty stacked on top of one another.

Paleontologists in Peru have described an ancient species of whale that was way heavier than a blue whale.

The orca "slurped in the liver and then the whale shark just fell and descended down, with no movement," James Moskito of Ocean Safaris told Live Science.

Four separate incidents on a beach in Fukui prefecture on July 16 echo a string of attacks in the same region last year that may have been perpetrated by a single Indo-Pacific bottlenose dolphin.

Scientists have discovered that once a mammal has become fully aquatic, it passes a threshold that makes a return to terrestrial landscapes almost impossible.

Experts abandoned the autopsy of a dead fin whale after they heard bubbling noises from the creature's gut, indicating there was a chance it could explode if opened.

The huge chunk of ambergris was found lodged inside the sperm whale — and scientists believe it ruptured its intestine, causing its death and subsequent beaching in La Palma.