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The Ocean’s Gentle Giants: 7 Astonishing Facts About Blue Whales


Updated: June 17, 2025 17:18

Image Source: WWF Australia
Blue whales, the largest animals to ever exist, continue to captivate scientists and ocean lovers alike. Here are seven fascinating facts that highlight their incredible nature.
 
The Largest Animal on Earth: Blue whales can grow up to 30 meters long and weigh around 200,000 kilograms, making them the biggest creatures to have ever lived.
A Unique Way of Sleeping: Unlike humans, blue whales rest one half of their brain at a time while the other half stays awake, allowing them to keep swimming and breathing.
Despite Their Size, They Eat Tiny Creatures: Their diet consists mainly of krill, tiny shrimplike organisms. A single blue whale can consume up to 3,600 kilograms of krill daily using baleen plates to filter them from seawater.
Their Calls Are Among the Loudest on Earth: Blue whales produce lowfrequency sounds that can travel up to 1,600 kilometers underwater, helping them communicate across vast distances.
Baby Blue Whales Are Already Giants: A newborn calf is around 7 meters long and weighs about 3,000 kilograms, growing rapidly by feeding on its mother’s milk.
Mysterious Migration Patterns: Scientists are still studying their longdistance migrations, which help them find food and safe breeding grounds.
Blubber Keeps Them Warm: A thick layer of fat under their skin helps them survive in the coldest parts of the ocean, storing energy for long journeys.
 
Blue whales remain one of nature’s most aweinspiring creatures, blending power, mystery, and grace beneath the waves.
 
Source: Times of India, MSN News, The Earth Feed

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