BBC3 年
Last Word - Dr. R. Allen Gardner, the American ethologist who trained a chimpanzee to use ...
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 ...
来自MSN9 个月
Little Chimpanzee’s Adorable Laughter After Being Tickled Is Positively Contagious
Lwiro Primates says in their caption that "Jeje loves tickles!" and describes the chimpanzee's laughter as, "one of the best sounds in the world!" Commenter @cynthiamcbrantey laughed, "One thing ...