Ken Schweller

Chimpanzees, bonobos, orangutans, gorillas and other apes are highly intelligent animals that require cognitive stimulation and enrichment to thrive i …

Learn how bonobos at the Ape Cognition and Conservation Initiative in Des Moines use symbolic icons called lexigrams to communicate about objects, act …

The Lexigram Keyboard allows bonobos at the Ape Cognition and Conservation Initiative in Des Moines to communicate electronically with their human car …