Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
2
The station master and operating officer at the Kishi Station, Japan, is a cat!
18
The elephant brain weighs about 6,000g.
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A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Sloths take two weeks to digest their food.
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