Group 2: Off to see the elephants in the morning.
Elephants recognise human voices
Elephants are able to work out ethnicity, gender and age from the sound of a human voice, according to a study.
Read more:
http://www.bbc.co.uk/news/science-environment-26488432
** Disclaimer **
The BBC is not responsible for the content of this e-mail, and anything written in this e-mail does not necessarily reflect the BBC’s views or opinions. Please note that neither the e-mail address nor name of the sender have been verified.