Bumping heads as they take turns licking salt in the salt lick in Khao Yai National Park, Indian Elephant Elephas maximus indicus, Thailand

elephant indian elephant elephas maximus indicus herd asian tusk khao yai national park salt lick wild wildlife green gray endangered threatened thailand hervibores grazers browsers forests rainforests evergreens deciduous floodplains ivory poaching tuskers conservation migration tropical conservation awareness protected nature reserve southeast asia ivory trade grazing calf grass trunk tail licking eating mud salt juvenile baby young brown shrub