Herd of African Elephants (Loxodonta africana) seen from the air. Sahelo-Sudanese Biome, W National Park (UNESCO, IUCN & RAMSAR), Niger. Aerial census, May 2011.  ,  AERIALS,AFRICA,ARID,DESERTS,ELEPHANTS,ENDANGERED,GROUPS,MAMMALS,NORTH AFRICA,PROBOSCIDS,SAHARA,UNESCO,VERTEBRATES  ,  Thomas Rabeil