The northern black racer (Coluber constrictor constrictor) is a subspecies of the eastern racer (Coluber constrictor), a nonvenomous snake in the family Colubridae. Their geographic range extends from southern Maine to northern Georgia and westward to central Kentucky and eastern Ohio. Their occupancy is dependent on the availability of large patches of open habitats.[4]
^"NatureServe Explorer 2.0". explorer.natureserve.org. Retrieved 1 November 2022.
^Stejneger L, Barbour T (1917). A Check List of North American Amphibians and Reptiles. Cambridge, Massachusetts: Harvard University Press. 125 pp. (Coluber constrictor, p. 79)
^"Coluber constrictor ". The Reptile Database. www.reptile-database.org.
^Dallas, Jason; Meshaka, Walter, E.; Delis, Pablo, R. (2021). "The Natural History of the Northern Black Racer (Coluber Constrictor Constrictor) in South-Central Pennsylvania". Journal of North American Herpetology. 2021: 29–33. doi:10.17161/jnah.vi.15172. S2CID 236276147.{{cite journal}}: CS1 maint: multiple names: authors list (link)
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