Do any other animals have a sense of humour? (Part 2)

Do any other animals have a sense of humour? If you slipped on a banana skin, are there any creatures that would laugh? (continued)

Mike Follows
Sutton Coldfield, West Midlands, UK

The great apes appear to laugh, suggesting that laughter originated in a common ancestor. A quick internet search, for instance, shows an orangutan that seems to laugh at a conjuring trick. A captive gorilla called Koko was taught to communicate with more than 1000 words, using a modified sign language. Apparently, she tied her trainer’s shoelaces together before signing “chase” and making laughing noises at the result.

It…