August 9 is Pal's 26th Birthday.

Mari also turned 50 this June! She was born in the same year as Akira and Ai.

July 14 is World Chimpanzee Day. It marks the day when Dr. Jane Goodall began her pioneering study of wild chimpanzees in Gombe, Tanzania. It is also a day to learn more about chimpanzees and to take a moment to think about their precious lives and conservation.

On June 19, we celebrated Cleo's birthday!

June is Akira's birthday month! Akira's exact birthday is unknown, but is estimated to have been born in June 1976. He turned 50 this year. He's the same age as Ai and Mari, and they've spent many years together.

Amid the various sounds of nature in Inuyama, "new sound" began to be heard around the time of the COVID-19 pandemic. It came from Ayumu, a chimpanzee, performing a display using wooden boards.

Pal (female, born on August 9, 2000)

Mari (female, estimated to have been born in 1976)

Akira (male, estimated to have been born in 1976)

Gon (male, estimated to have been born in 1966)