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TIL pigeons are not native to North America and that they live in urban areas because “city buildings and window ledges mimic the rocky cliffs originally inhabited by their ancient ancestors in Europe.”

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XE6k6 TIL A dog named Cactus ran an ultramarathon in the Sahara Desert just for fun, beating the majority of human runners.
N7oG8 TIL that lemurs are among the largest pollinators (in terms of their size, not their scale of pollination)
ZAwB TIL That In the American Civil War, soldiers were required to have at least four opposing front teeth so they could open a gunpowder pouch. Some draftees had their front teeth removed to avoid service.
4X7RX TIL of the Amish subgroup called Renno Amish where the men are allowed to wear only one suspender.
d80LB TIL To treat a malaria outbreak in Borneo, the WHO used DDT to kill mosquitoes. DDT killed wasps which were eating thatch-eating caterpillars who were eaten by geckoes & eaten by cats, who died, which led to rats, plague, & typhus. WHO had to parachute 145,000 cats into the area to kill the rats.