Lion (Panthera leo) Flehmen reaction, Masai Mara National Reserve, National Park, Kenya *** Local Caption *** walking in the grass by rolling up the lips to register the pheromones of female in heat with her Jacobson glands

panthera leo lion panthera leo natural reserve natural area savanna adult male alone head mouth mane tooth portrait profile shot day carnivore diet masai mara national reserve panthera grimace flehmen vulnerable iucn vu national park pheromone august lions nature reserves nature reserve nature natural areas ecosystem ecosystems savannas adults males single lonely only solo one lone heads mouths manes teeth hook zoology hooks zoology portraits profile sights profile sight profile shots profile view profile views side view days daytime carnivorous animal carnivores diet carnivorous animals meat eating animal meat eating animals masai mara nature reserve masai mara game reserve maasai mara masai mara mimic mimics grimacing grimaces vulnerable species national parks sensitive natural areas pheromones big cat wildcat feline carnivoran mammal wild animal animal environment protection environment management biodiversity management environment naturalness area low formation stage of development individual enumeration general morphology morphology organism morphology zoology shot atmosphere ambiance diet pattern species rift valley province kenya east africa africa felidae carnivora mammalia therapsida synapsida vertebrata chordata deuterostomia coelomata bilateria metazoa opisthokonta eukaryota social behaviour behavior threatened endangered species iucn red list of threatened species convention on international trade in endangered species of wild cites chemical communication communicate