A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
A domestic cat can sprint at about 31 miles per hour.
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Sharks have been on the planet longer than trees.
14
Cats sleep for 70% of their lives.
8
The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
12
In 1955, the citizens of São Paulo were so upset with their government that they elected a rhinoceros named Cacareco (meaning rubbish) to the city council in protest, with over 100,000 votes.
18
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57