Sambar Deer, Rusa unicolor, Phu Khiao Wildlife Sanctuary, Thailand

artiodactyla sambar phu khiao wildlife sanctuary deer grazing wildlife philippine sambar habitat rusa animals in thailand rusa unicolor habitat loss graze doe conservation vulnerable species mammals cervidae reflection ruminant antlers national parks nature prey female grassland omnivorous animals 4k footage large javan ruminants jungles lake horns cervinae philippine forests 4k resolution muntiacus thailand grass tail water vulnerable trees cud afternoon fur