It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
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Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Dogs have been man's pet for over 14,000 years.
224
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
Giant Anteaters' front legs look like a panda.
48