Captive chimps have long been taught sign language or other communication ... communication skills than a chimpanzee. “I do not say chimpanzees have language,” Matsuzawa stresses.

Dr. R. Allen Gardner, the American ethologist who trained a chimpanzee to use sign languageDr. R. Allen Gardner, the American ethologist who trained a chimpanzee to use sign language ...

Kanzi the bonobo, who learned how to communicate with humans using symbols, has died at the age of 44. Raised and kept in ...

It follows other surprising findings of humanlike behavior in apes and monkeys, like the previous findings that uncovered the building blocks of human language in chimpanzee calls; strong ...