Hippos are aggressive and will attack humans.

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Cuttlefish mate head-to-head in which the male embraces the female and squirts sperm into her mouth

Black panthers are just leopards or jaguars with excess black pigment

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Fire ants bite and sting by clinging onto the skin with their jaws while repeatedly injecting venom with their stinger

Sarpa salpa is also known as sea bream, salema porgy, and dreamfish.

Sarpa salpa is a hallucinogenic fish that was reportedly used as a recreational drug in the Roman Empire

Male honeybees die after sex because their genitals explode

Male honeybees die after sex because their genitals explode—and other strange animal sex