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  3. When were wolves reintroduced to Yellowstone?

“Gray wolves were reintroduced to Yellowstone National Park in 1995. Their return changed elk behavior and helped plants, beavers, and other wildlife recover, a chain reaction called a trophic cascade.”

Animal Facts

Reference: National Park Service

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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!

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