When doors were cut between the small concrete cages in the former laboratory, Doc started leaping from doorway to doorway, having never previously had so much space, a moment captured at 5:02 of our history video below.

He is now known for striding upright across his 3-acre island home in Florida. It is your support that gives him the freedom he deserves.

On behalf of the more than 220 chimpanzees in our care, thank you for your compassion and generosity.