A female standing and staring at the camera, herd resting on the grass, warm summer afternoon

sambar deer deers of asia sambar phu khiao wildlife sanctuary artiodactyla deer stag ruminants in asia rusa wildlife wild animals rusa unicolor doe grazing national parks in thailand mammals ruminant animals vulnerable species jungles cervidae omnivorous grassland natural habitat herd ventral surface antlers nature prey sanctuary green grass predator national parks forests forest cervinae resting grass rainforest afternoon vulnerable cud green trees sore mud mud bath summer hot