New York State Archives, NYSA_A3045-78_B10802
A woodchuck that was found hibernating around December 1, 1897, in Otsego County, New York.
There is one native New York animal species that is now extinct. What is it?
Scrace, Carolyn. Hibernation. Scholastic Library Publishing, March 2002. ISBN: 0531148424
Kalman, Bobbie. What is Hibernation? Crabtree Publishing Company, October 2001. ISBN: 0865059640