Witnesses say an orangutan used a branch to short-circuit an electric fence before making its escape from an enclosure at Adelaide Zoo. Visitors were evacuated from parts of the zoo on Sunday after ...

An "ingenious" 137-pound (62-kilogram) orang-utan used a branch to short-circuit an electric fence and escape from an Australian zoo only to change her mind and return to her enclosure. 10 May 2009 • ...

This close-up view of a section of flat tape electric fencing reveals the conductive wires woven within the tape. Conductive wires woven into a flat tape makes for a fence that’s much more visible to ...

AN orang-utan with a history of mischief short-circuited an electric barrier, then built a makeshift ladder to escape from her enclosure, forcing Adelaide Zoo to be evacuated on one of its busiest ...