Hippopotamuses, Ngoro, Tanzania, East Africa

amphibian amphibious animal artiodactyla artiodactyls chordata foragers herbivores hippopotamidae hippopotamus amphibius hoofed animals hooved mammals mammal restful ungulates wallowing water lettuce daytime drifting floating herbivorous hooves horizontal natural world nature relaxation relaxed relaxing resting stock image stock photo stock photograph travel destination travel destinations travel photo travel photograph travel photography travel stock travels vegetation wildlife photography wildlife stock travel animal themes wilderness wild places wild animal wild animals wildlife safari safari safaris safari destinations safari destination nature reserve animal behaviour animal behavior habitat five animals color image color colour tourism destination conservation