Pigs are considered to be the world’s fifth-smartest animal.
Ah, pigs. They roll around in muck and filth, eat any scraps left around for them, and, for some, are quite delicious.
That’s not all, though; it turns out that they’re incredibly intelligent! Pigs can solve puzzles better than chimpanzees, and they have some of the best long-term memories known to animals.
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