This is a countdown of the 10 heaviest mammals that live on land. You probably expected to see elephants, rhinos, and hippos on this list, but what on earth is a gaur? Find out in this fun and educational video! Like this video if you want to see more CREATURE COUNTDOWNS! Subscribe to FreeSchool: www.youtube.com/user/watchfreeschool?sub_confirmation=1 Visit us on Facebook: www.facebook.com/watchFreeSchool Check our our companion channel, FreeSchool Mom! www.youtube.com/channel/UCTcEtHRQhqiCZIIb77LyDmA And our NEW channel for little ones, FreeSchool Early Birds! www.youtube.com/channel/UC3OV62x86XHwaqsxLsuy8dA Music: Jaunty Gumption, The Curtain Rises, Disco Medusae, Electro Caballo - Kevin MacLeod (incompetech.com) Some footage via US Fish and Wildlife Service. Some footage courtesy of Geofratz www.youtube.com/watch?v=-HsI8bW1-ko Gaur photos by N. A. Naseer - www.nilgirimarten.com