Some more cool elephant facts:
elephants can distinguish differences in human gender, age, and ethnicity purely by the sound of someone’s voice. If the voice belongs to a person who is more likely to pose a threat, the elephants switch into defensive mode.
Elephants understand human body language
Elephants comfort one another when distressed. They do this by stroking each other with their trunks and by emitting small chirps
Elephants mourn their dead
Elephants can mimic human sounds and will do so in attempt to bond with humans
Elephants have an incredible memory and will recognize and re-bond with their friends even after being apart for 20 years
An elephant's trunk is so dextrous it can pick up even a single grain of rice
Elephants can detect seismic signals with their feet
Elephants use mud as sunscreen