Lampropeltis greeri

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Scientific name Lampropeltis greeri
English name Durango Mountain Kingsnake; Greer’s Kingsnake
Habitat This snake species occurs on oak-covered savannas and in mixed forests (oaks and pine trees). The presence of rocks that are exposed by the sun every day seems essential.

They are mostly found in rock crevices and under stones.

Normally these snakes hide during the day, but sometimes they are also active during the day. This most probably will have to do with the height of the temperatures during the day.

The Durango Mountain kingsnake is only known from a few locations. A large part of their supposed habitat is poorly accessible and has hardly suffered from human influence. Grazing cattle, agriculture and logging take place in most known locations, but because the snakes mostly stay on the rock formations, there are almost no disturbances. To get an impression of the habitat of this species, click here …

Distribution On the east side of the Sierra Madre Occidental in western central Durango. Southward in Zacatecas, Aguascalientes, Jalisco, and Nayarit above 2000 meters.
Details This Mexican species has been described by R. G. Webb in 1961.


Webb, R. G. 1961. A new kingsnake from Mexico, with remarks on the mexicana group of the genus Lampropeltis. Copeia 1961(3) 326–333.


Adult specimens usually remain below 100 cm in length. Males are usually slightly longer than women. As with all species of the Mexican kingsnakes, no growth data from the wild are known.

It seems that the young of L. greeri grow slower in captivity than the young of the other species. This species is sexually mature, under normal care, in the 3rd or 4th year of age.

At Rancho Santa Barbara there are places known where the snakes lay their eggs together. Most of the specimens that are in captivity are from this location so that the gene pool is rather limited.