Mosquitoes don't just bite you, they also pee on you.
11
When cats are happy, they may squeeze their eyes shut.
10
Jellyfish as a species are actually older than dinosaurs and sharks.
383
Cat families usually play best in even numbers. Cats and kittens should be acquired in pairs whenever possible!
156
Cats and dogs can hear ultrasound.
350
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Jaguars frequently get high by eating hallucinogenic roots, which also increases their senses for hunting.
6