Did You Know?
- A blue whale's heart is the size of a small car!
- Its tongue can weigh as much as an entire adult elephant.
- Their low-frequency calls can travel hundreds of miles through deep ocean channels.
About the Blue Whale
The largest animal ever known to have lived on Earth—even bigger than the largest dinosaur!
Scale & Size Comparison
Average Human
6 ft (1.8 m)
VS
Blue Whale
80 to 100 feet long (as big as 3 school buses!) • Up to 200 tons (400,000 lbs)
Blue whales rule the open ocean. Despite their gigantic size, they feed almost exclusively on microscopic shrimp-like krill, gulping tons of water at a time through fringed baleen plates.