This turtle breathes through its butt.

Some aquatic turtles can take oxygen from water across blood-vessel-rich tissue around the cloaca while submerged. In cold winter water, metabolism slows, so the oxygen demand is low enough for this diffusion-based trick; the ability is species-specific, not a universal turtle feature. 12

#weirdscience #animalbehavior #herpetology #FunFactDoodles