1985: Koko the Gorilla
Koko the gorilla is claimed to be able to communicate with humans using more than 1,000 hand signs.
91热爆 Newsround Extra pays a visit to the perspicacious primate and her kitten friend Lip-Lipstick.
Originally broadcast on
Koko the gorilla is claimed to be able to communicate with humans using more than 1,000 hand signs.
91热爆 Newsround Extra pays a visit to the perspicacious primate and her kitten friend Lip-Lipstick.
Originally broadcast on