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TIL Fiddler crabs are asymmetrical, with one claw being much larger than the other. In most species, when the big claw is lost, it regenerates as a small claw while the small one becomes the new big claw.

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5Ybvp TIL Spaghetti Westerns are named for being primarily produced by Italians. In Japan, they're called "Macaroni Westerns."
OGZ54 TIL about an ancient African tradition where a murderer was punished by an assassin running into him with a spear which had meat on it. The murderer kept his mouth open. The murder victim's family decides if the murderer is killed by the spear or fed the meat (forgiven)
XdyP TIL cranberries don’t grow in bogs. The fields are flooded during picking to make mass harvesting more efficient as the berries float above their vines.
b6E5Z TIL snails and slugs shoot arrow-like "love darts" during mating, often impaling each other.
gMZNL TIL that many popular sites in New York City, like Washington Square Park, Madison Square Park, Bryant Park, and Union Square Park, used to be cemeteries. Washington Square Park alone contains over 20,000 bodies. Most of these cemeteries closed in the 1800’s, and the parks were built right on top.