Pigs use mirrors, crows know physics, and bees hold democratic dance-offs.

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1. Crows know physics
1. Crows know physics

Not only can crows recognise faces to differentiate between predatory and benign species, they also understand basic physics, have been known to change entire migration patterns to avoid farms where crows have been killed in the past, and may even memorize city garbage routes so they can snag the inevitable food droppings on trash day.

Talk about some of the smartest animals! Cool, calculating, and known to harbor a grudge, crows shouldn’t be compared to gangsters, per se, but we do feel obligated to remind you that a group of them is called a murder.

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