Fact #35
July 7, 2026Blue Whales Can Be Heard Hundreds of Miles Away
Blue whales are not just the largest animals ever known to live on Earth; they are also among the loudest. Their deep pulses, groans, and moans can travel huge distances underwater. Under the right underwater conditions, NOAA says blue whale sounds can be heard from 1,000 miles away.
Mini Facts
1
Blue whales can grow to about 100 feet long.
2
Their calls are often so low-pitched that humans cannot hear them clearly without equipment.
3
Whale sounds help with communication, navigation, and finding others in the ocean.
4
Blue whales mainly eat tiny shrimp-like animals called krill.