TIL pythons and boas have vestigial or leftover pelvic girdles and hind limbs that show up externally as a pair of “spurs” near the base of the tail. Male pythons use these spurs during courtship and mating.
TIL pythons and boas have vestigial or leftover pelvic girdles and hind limbs that show up externally as a pair of “spurs” near the base of the tail. Male pythons use these spurs during courtship and mating.