6. Blue Whale
Humpback whales create the loudest sound of any mammal. And you thought the loudest sound came from that two-year-old you sat next to on your trans-continental flight, didn’t you?
7. Squirrel
You might want to thank a squirrel the next time you enjoy the shade of a tree. Millions of trees are accidentally planted by squirrels that bury nuts and then forget where they hid them.
8. Giraffe
Giraffes have no vocal cords and their tongues are blue-black in color.
9. Turtle
You can tell a turtle’s gender by the noise it makes. Males grunt and females hiss.
10. Snail
Don’t try this at home, but a snail can grow back a new eye if it loses one.
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