The Great Escape Artist: Ken Allen Orangutan's Daring Breakouts In 1976, a mischievous orangutan named Ken Allen made headlines worldwide by escaping from his enclosure at the Phoenix Zoo in Arizona.
This was no ordinary escape – Ken Allen had done it before, and would go on to do it again with ease. But what drove this primate to such daring feats of escape artistry?
And what can we learn from his remarkable story about the cognitive abilities and welfare concerns surrounding orangutans in captivity?