The world is full of fascinating animals and bizarre facts that most people don’t know. Get ready to be amazed – and maybe a little more curious.
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Think you know everything about animals?
Animals hide amazing and surprising secrets you’d never have guessed.
1. Octopuses Have Three Hearts

Two pump blood to the gills, and the third pumps it to the rest of the body. When they swim, one of the hearts actually stops beating.
2. A Snail Can Sleep for Up to Three Years

Some snail species can hibernate for years if their environment becomes too dry.
3. Seahorses Are the Only Animals Where the Male Gives Birth

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4. A Blue Whale’s Heart Is the Size of a Car

The largest animal on Earth has a heart that weighs about 400 pounds (180 kg).
5. Giraffes Have the Same Number of Neck Vertebrae as Humans

Both have seven neck vertebrae – they’re just much longer in giraffes.
6. Cows Can Have Best Friends

Studies show cows form strong social bonds and become stressed when separated from their friends.
7. Honeybees Can Recognize Human Faces

Bees have an impressive ability to distinguish human faces – much like we do.
8. Dolphins Call Each Other by Name

They use unique whistle sounds as names, which other dolphins can recognize.
9. Elephants Mourn Their Dead

They show signs of grief, visit the bones of deceased relatives, and can stand silently by them for hours.
10. Flamingos Aren’t Born Pink

They turn pink from eating shrimp and algae rich in carotenoids.
11. A Cockroach Can Live Without Its Head

It can survive for up to a week without a head before dying of dehydration.
12. Cats Use Their Whiskers to Measure Width

Their whiskers act like measuring tools to check if they can fit through tight spaces.
13. Butterflies Taste with Their Feet

They have taste sensors on their feet to help them find suitable plants.