We witnessed a very rare and unusual sighting: a giraffe chewing on bone. This behaviour is called ‘osteophagy’ and giraffe would do this if they need calcium.
What made this sighting even rarer was the fact that this giraffe was chewing bones of… another giraffe!!!
Cannibal!
http://wildlifeact.com/blog/why-do-giraffe-chew-bones/
