Alberta’s Happy Hibernators: Reptiles

This is part four of a six part series on hibernators. You can find the first three parts on bearsbats and amphibians here.

For those cold-blooded reptiles that call Alberta home, our winters are the perfect opportunity to slow their breathing and fall into a deep, deep sleep. Located mostly in the south of the province, the types of reptiles found here are few – only seven snake, one lizard and one turtle species.

Into the Snake’s Den

shutterstock_7148287PrairieRattlesnakePrairie rattlesnakes, western hog-nosed snakes, bull snakes, yellow-bellied racers and three species of garter snakes: plains, wandering and red-sided can be found in Alberta. Only the wandering garter snake and the red-sided garter snake  are found outside of southern Alberta.

Not all snakes winter in the same places. What makes the best winter home? In most cases, lots of friends and an underground den, or hibernacula, are ideal. Snake dens are usually located in rock crevices or caves, or small mammal burrows. The temperatures within hibernacula remain just above freezing during the winter because of the insulating effects of the earth. Continue reading