Sambar Deer, Rusa unicolor, Thailand

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