What happens at zoos after dark?
Brains On! Science podcast for kids
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The Nightkeeper at the Los Angeles Zoo
In some zos, keepers feed the animals their dinner and then leave for the night. But that's not true of all zos. The swanky neighborhood of beverly hills used to be a lima bean farm. There's a tarpet in the middle of the city where scientist found fossils of mammos and sabre toothed cats.
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