When Washoe (the first non-human to use sign language) was…

When Washoe (the first non-human to use sign language) was told that her caretaker’s baby had died, she signed “CRY”, touching her cheek and drawing her finger down the path a tear would make on a human face (Chimpanzees don’t shed tears). source

image via livejournal

Source: Weird Facts
Interesting Facts

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