I hope this link works, if not I'll have to edit it later.
Just came across this story of two herds of rescued elephants who somehow knew the man who had rescued them had died, then made their way to his house just so they could mourn too. It's both so sad and yet so amazing I had to share it with you guys
delightmakers.com/news-bleat/wild-elephants-gather-inexplicably-mourn-death-of-elephant-whisperer/