Hippopotamus milk is completely white when secreted, but it mixes with a highly acidic, reddish fluid the mother produces to protect her skin from bacterial infections.

A closer look

Hippopotamus milk is completely white when secreted, but it mixes with a highly acidic, reddish fluid the mother produces to protect her skin from bacterial infections. This weird biological cocktail turns the milk a distinctly bright pink color right before the calf consumes it, giving it the appearance of an organic strawberry milkshake. The acidic secretion, known as hipposudoric acid, acts as a natural sunscreen and a powerful antibiotic, which is crucial when you spend your entire life submerged in incredibly filthy, stagnant river water. Of course, the internet loves to romanticize this fact by pretending hippos casually produce flavored dairy products, entirely ignoring the gross reality of consuming bodily sunscreen. It is completely disgusting to think about drinking antibiotic sweat, but you still have to admit that a three-ton anger-marshmallow dispensing pink milk is objectively an elite survival tactic