It long seemed as if African elephants were the champions of the all-nighter. They can get by on about two hours of sleep. Other mammals need much more, like koalas (20 hours) or you (at least seven ...

THE story of an elephant bull named Samanyanga is giving conservationists in northern Zimbabwe new insight into why connected landscapes matter more than isolated protected areas for wildlife survival ...

During the many months they spend at sea gorging on fish and squid, the massive mammals sleep only about two hours a day. By Annie Roth It long seemed as though African elephants were the champions of ...