Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Mahatma Gandhi used to travel with his goat so that he could have fresh milk.
11
Dogs sometimes fake being sick to get attention.
26
The elephant brain weighs about 6,000g.
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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
Rattlesnake mating sessions have been known to last more than 22 hours.
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