Cats sleep for 70% of their lives.
8
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
16
When cats are happy, they may squeeze their eyes shut.
10
Mosquitoes don't just bite you, they also pee on you.
11
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47
A cat can jump FIVE TIMES as high as it is tall!
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