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The original was posted on /r/todayilearned by /u/kaze2295 on 2025-07-28 03:32:32+00:00.

Original Title: TIL that Ken Allen, a Bornean orangutan nicknamed The Hairy Houdini, escaped his zoo enclosure multiple times using tools, trained other orangutans to join him, and once threw rocks at his rival Otis after breaking out.