Orcas observed devouring the tongue of a blue 

A study from Australia is the first to scientifically document the killings of blue whales by orcas

Orcas were observed devouring the nutrient-rich tongues of the giant blue whales

"This is the biggest predation event on this planet," said a marine scientist

For the first time, a pack of orcas — also known as killer whales — have been observed hunting and killing blue whales, the largest animal on the planet.

According to a report published in Marine Mammal Science, the scientific community has long debated if orcas can hunt the massive blue whales.

three instances of packs of orcas attacking blue whales off the coast of Western Australia were recorded by marine scientists