Grass and Trees moving with the wind in Khao Yai National Park, Thailand

habitat grassland habitat loss khao yai national park cogon grass elephants iucn red list wildlife hunting asian elephant trunk conservation wilderness indian elephant elephas herbivores deciduous illegal hunting wind megaherbivore mammals elephas maximus indicus forest cogon elephantidae grass saltlick waterhole poaching indicus mountain southeast asia savannah proboscidea graze poachers endangered species wildlife trading dirt endangered herd chang afternoon illegal mountains thailand human conflict dust mud bath