Whales and dolphins can't taste anything other than salt.
11
Macaques monkeys in Japan learned to steal purses and wallets, take out the coins, and use them to buy drinks and snacks from vending machines.
26
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