Have you checked out our Database of Chimpanzee Enrichment? On this site we keep track of all the fun food puzzles and other items we give to the chimps. We are always looking for new enrichment ideas to try at the sanctuary and share with the chimpanzee caregiver community, so please feel free to share our site with anyone who might be able to benefit or contribute new ideas to our page!
Here’s Jamie using the treat rock food puzzle (filmed May of last year):