female snakes

Do Snakes Have Menstrual Cycles? No, snakes do not menstruate. What animals have menstrual cycles? Some do – apes, old-world monkeys, elephant shrews (above), many bats and a single rodent: the spiny mouse. Many others have menstrual cycles, but reabsorb the old womb-lining rather than bleed it out. Do reptiles have menstrual cycles? Laboratory and