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  3. What is the smallest monkey?

“The pygmy marmoset of South America is the world's smallest monkey and weighs only about 3 to 4 ounces as an adult.”

Animal Facts

Reference: Smithsonian's National Zoo

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Exploding ant fact

There is an ant in Brazil that has a gland which causes the ant to explode like a bomb, spraying a sticky toxic
goo on everybody nearby. Now that's some hard core biology!

Another fact