The Kirtland's snake (Clonophis kirtlandii) is a state endangered species in Pennsylvania. Allegheny County was home to one of the largest historic populations, but Kirtland's snake is believed to be extirpated from the county due to human development and habitat destruction. Kirtland's snake is a shy, inoffensive, relatively small snake measuring only 10 to 16 inches long. It typically inhabits wet, open areas and can usually be found taking refuge under fallen trees and other cover. Kirtland's snake has not been observed in Pennsylvania since 1965. If you believe to have encountered one of these snakes, please contact WPC by email at webmaster@paconserve.org, or by phone at (412) 288-2777.