An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
A puppy is born blind, deaf, and toothless.
16
A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
Jaguars frequently get high by eating hallucinogenic roots, which also increases their senses for hunting.
6
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6