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Chimpanzees Mourn Their Dead?

Critter News

I believe that great apes do have that capacity. Heck, even my cats visibly missed old Charlotte who died last August. It makes it even harder to subject chimps to experiments if you keep discovering these human similarities. A couple of studies imply that chimpanzees may mourn their dead. I believe they do.

Charlotte 100
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Why Justice for Animals Is the Social Movement of Our Time

Animal Ethics

Elephants, great apes, orcas, dogs, cats, and many other animals can experience depression, post-traumatic stress disorder (PTSD), anxiety, and compulsive disorders. "There is no longer dispute among serious scientists that humans aren’t the only animals who have the capacity to suffer physically and mentally.