An blue whale’s heart is the size of a small car.

Likes

THANK YOU

Your comment will be checked and approved shortly.

Learn all about the great white shark!

How much do you know about these beautiful sea creatures?

Check out these turt-ally mad facts about turtles!

Join us as we travel the oceans far and wide with these electric jellyfish facts!

You’re leaving natgeokids.com
to visit another website!

Ask a parent or guardian to check it out first and remember to stay safe online.

You're leaving our kids' pages to visit a page for grown-ups!

Be sure to check if your parent or guardian is okay with this first.