Oh, that's sad, Tobi! It almost brought a tear to my eye.
As for the general notion of animals grieving, let's not forget the "elephant whisperer", Lawrence Anthony. Wayward elephants travelled about twelve hours to reach his home after his passing, and stayed there for two days and mourned his passing. See http://delightmakers.com/news/wild-eleph...-whisperer
There is also an excellent video here: https://www.youtube.com/watch?v=CHhE6N3XK7w
About animal grief generally, their is a sympathetic article by a vet here: http://www.telegraph.co.uk/pets/animals-...people-do/
As for the general notion of animals grieving, let's not forget the "elephant whisperer", Lawrence Anthony. Wayward elephants travelled about twelve hours to reach his home after his passing, and stayed there for two days and mourned his passing. See http://delightmakers.com/news/wild-eleph...-whisperer
There is also an excellent video here: https://www.youtube.com/watch?v=CHhE6N3XK7w
About animal grief generally, their is a sympathetic article by a vet here: http://www.telegraph.co.uk/pets/animals-...people-do/