2024-12-05 21:11:24
While apes can learn hand signs, they cannot meaningfully communicate with sign language. [Link] NEEDS_MORE_RATINGS(9-1-17) Author
2024-12-06 16:39:08
NNN. Great ape use of sign language is a contested area, keep discussions of whether apes really use taught signs to the comments. NEEDS_MORE_RATINGS(1-0-0) Author