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The original was posted on /r/todayilearned by /u/Forward-Answer-4407 on 2025-09-25 17:45:24+00:00.

Original Title: TIL in 2007, a Siberian tiger named Tatiana escaped a 12.5ft tall enclosure at the San Francisco Zoo, killing one visitor and injuring two others who were later accused of taunting her. The enclosure’s wall was lower than the Association of Zoos and Aquariums’ recommended minimum height of 16ft 4in.