thumb|300px|right|See how many rattlesnakes were at this maternity den.

Maternity Dens Edit

Female timber rattlesnakes congregate in "maternity dens" to bask in the sun all summer, thereby gestating their eggs.  The videos in this article shows these snakes in the wild and discusses more about their behavior. thumb|300px|right|Visit a timber rattlesnake maternity den to see pregnant snakes basking together.