A female deer with the sore on its neck vigilantly looking around after grazing for awhile during a summer morning

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