''Lampropeltis leonis'', known as the Nuevo León kingsnake or variable kingsnake,Nuevo Leon Kingsnake
''SierraHerps.com'', January 18, 2018. Retrieved April 17, 2020. is a species of

colubrid Colubridae (, commonly known as colubrids , from la, coluber, 'snake') is a family of snakes. With 249 genera, it is the largest snake family. The earliest species of the family date back to the Oligocene epoch. Colubrid snakes are found on ev ...

snake Snakes are elongated, limbless, carnivorous reptiles of the suborder Serpentes . Like all other squamates, snakes are ectothermic, amniote vertebrates covered in overlapping scales. Many species of snakes have skulls with several more j ...

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found else ...

to northeastern Mexico.

References

leonis Snakes of North America Endemic reptiles of Mexico Endemic fauna of Northeastern Mexico Reptiles described in 1893 Taxa named by Albert Günther {{Colubrinae-stub