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.
From Pliny the Elder to the Swedish naturalist Carl Linnaeus, historians and naturalists have found many ways to describe these fascinating apex predators.
White Gladis was so hellbent on stopping boats in the Strait of Gibraltar that she engaged in attacks instead of protecting her newborn calf.
The behavior may be "leapfrogging" between orca populations, and it could be in response to human activities such as fishing.
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