View Full Profile. Learn about our Editorial Policies. A blue whale’s heart can beat as few as two times a minute. The discovery comes from data collected during researchers’ first few attempts to ...

The heart of a blue whale can weigh up to 1,300 pounds ... Blue whales are known for their use of a variety of sounds (known as songs) including hums, squeaks, and rumbles to communicate with ...

and loud sounds can be heard across entire ocean basins; indeed, blue whales can communicate over 1000s of kilometres. But this makes identifying the direction of a sound very difficult ...