Sambar Deer, Rusa unicolor, Thailand

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