The shortest sleeping mammals: African elephants sleep just two hours daily (Watch)
For the study, the team monitored two free-roaming African elephant matriarchs in Chobe National Park in Botswana for 35 days.
Mar 02, 2017, 14:14 PM IST
For the study, the team monitored two free-roaming African elephant matriarchs in Chobe National Park in Botswana for 35 days.
Mar 02, 2017, 14:14 PM IST