The blue whale is the largest animal ever known to have lived on Earth. Blue whales are largest of all baleen whales and are found worldwide. They have a long slender body with a proportionally ...

View Full Profile. Learn about our Editorial Policies. A blue whale’s heart can beat as few as two times a minute ... It required attaching electrodes sitting atop suction cups to the behemoth’s body ...

"We looked at data on blue, fin, sei and sperm whales and found significant declines in body size, with sperm whales taken in the 1980s four metres shorter on average than those in 1905," said Dr ...

A recent theory proposes that whales weren't just predators in the ocean environment: Nutrients that whales excreted may have provided a key fertilizer to these marine ecosystems. Oceanographers now ...

Krill make up the vast majority of a blue whale's diet. The blue whale is a filter-feeder. Its throat has an expandable, pleated structure to engulf a volume of water and prey that is greater than the ...