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Crested pigeons have specialized feathers that signal danger when they flee from an apparent threat.

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awPPy TIL that New Zealand was founded on May 7, 1856.
p8xle TIL 18th century sailors and pirates were adept at astronomy and maths, e.g. trigonometry and logarithms. They even took classes and sat exams on these topics. The skills gained by studying such technical fields helped them navigate the open seas, escape authorities, chase down pirates, etc.
Gv5g TIL: When George Washington first ran for the Virginia House of Burgesses, he supplied 164 gallons of of alcohol to only 396 voters so they would like him. Washington won.
d8JVB TIL: Gray seals are known to engage in cannibalism
kdd TIL that the Star Wars theme was released as a single with the Cantina song, and reached number 1 on the U.S. Hot 100 in 1977.