Sambar Deer, Rusa unicolor, Thailand

phu khiao wildlife sanctuary sambar deer national parks in thailand sambar wild animals wildlife mammals artiodactyla habitat rusa jungles animals grazing deer stag natural habitat 4k footage forests ruminants herd nature vulnerable species ruminant national parks rusa unicolor antlers cervidae forest doe omnivorous 4k resolution sanctuary lake trees grassland water predator reflection prey muntiacus cervinae brown afternoon vulnerable jousting grass green cud summer