Unlike other cold-blooded animals,turtles don't hibernate. ... Others, like snapping turtles and painted turtles, can shift their metabolism so it doesn't require oxygen. This process creates acidic toxins in their body, but they can neutralize these by dissolving the calcium in their shells l...
allows these turtles to survive trapped underwater for months at a time. Semi-aquatics, such as the map turtle, may dig themselves partially or completely into a marshy area of grass or moss