Reptiles in Winter

So...it is getting close to that time of year again...winter. Humans can bundle up or stay indoors when it gets blustery but what about our native wildlife? Most of us know that mammals grow thicker coats and a larger layer of fat to keep themselves warm in the winter. Most birds insulate themselves by puffing out layers of feathers to trap air near their skin or huddle in groups with family members to stay toasty.

What about some of Ohio's reptiles? Ohio's snakes and turtles have no way of adapting their bodies to the cold temperatures they will face in the winter. Many reptiles seek shelter in holes or burrows of other animals and spend the winter dormant or inactive. Large numbers of snakes (even of different species) will share the same burrow. A reptile's system slows down during the winter months and as its metabolism decreases, its heart rate drops and it needs very little oxygen. Reptiles need very little food and water, if any, during this time.

Bodies of water are an ideal spot for many reptiles during winter. They can hide underneath rocks and logs, and even bury themselves in mud to keep warm. Painted turtles can dig up to 18 inches below a pond's bottom. They can get the oxygen they need from the water right through their skin. Terrestrial turtles, such as box turtles, dig holes in the earth to crawl into as the temperature starts to cool. They can also alter their blood composition during the winter months to keep from freezing.

To hear more about reptiles and other native Ohio wildlife and meet some in person, visit the museum for our live animal programs at 1pm and 3pm every Saturday and Sunday!


Melissa Terwilliger, CMNH Wildlife Specialist