Ima

Definition

The blue whale is the largest animal on Earth, a marine mammal that lives in oceans and feeds on tiny krill using baleen plates.

Main Points

• Lives in oceans all over the world 

• Breathes air using a blowhole 

• Eats krill using baleen plates 

• Gives birth to live young (calf) 

• Grows up in about 8–10 years

Interesting Points

• Its heart is as big as a small car 

• It can make very loud sounds that travel far

• A baby whale can grow 80–90 kg every day! 

• It uses half-brain sleep to rest

Fun Fact

A blue whale’s tongue can weigh as much as an elephant