Opinion: Remembering Ai, a remarkably intelligent chimpanzee

January 18, 2026

Title: Remembering Ai - The Remarkable Chimpanzee Who Changed Our Understanding of Animal Intelligence

The death of Ai, a 49-year-old chimpanzee who was born in West Africa and came to the Primate Research Institute of Kyoto University in Japan when she was just one year old, has left an indelible mark on our understanding of animal intelligence. Known for her remarkable cognitive abilities, Ai's life serves as a testament to the potential that lies within non-human animals.

Ai, whose name means "love" in Japanese, was not only able to recognize some letters and numbers but also learned to label them at just five years old. At six and a half, she began learning the alphabet and soon became proficient in identifying all 26 uppercase letters. By seven and a half, Ai had mastered lexigrams for various objects such as apple, banana, carrot, cabbage, and more. She could even identify over 100 Japanese Kanji characters and recognize 11 different colors.

In one study, when shown an apple, Ai chose a rectangle, square, and dot on a computer screen to draw the fruit virtually. This demonstrated her understanding of abstract concepts beyond just recognizing physical objects. It is worth mentioning that Ai enjoyed painting in her free time, with one of her creations being printed on a scarf given to renowned primatologist Dame Jane Goodall.

One fascinating incident involving Ai occurred in 1989 when she managed to escape from her cage and open the cages of Akira, another research chimp, and their friend Doudou, an orangutan. This act of intelligence showcased Ai's problem-solving skills and ability to plan ahead – traits typically associated with humans rather than animals.

Ai's life has significant implications for our understanding of animal cognition. Her achievements challenge the traditional belief that only humans possess complex cognitive abilities. By demonstrating her capacity for learning, recognizing abstract concepts, and problem-solving, Ai has expanded our knowledge about what non-human animals are capable of achieving with proper training and stimulation.

In conclusion, remembering Ai serves as a reminder of the incredible potential that exists within all living beings. Her life story encourages us to reevaluate our assumptions about animal intelligence and recognize the importance of treating them with respect and dignity. As we continue to learn from Ai's remarkable journey, let us strive towards creating a world where every creature is valued for its unique abilities and contributions to society.

Source: [Original Article](https://www.npr.org/2026/01/17/nx-s1-5673199/opinion-remembering-ai-a-remarkably-intelligent-chimpanzee) #opinion:

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