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Pantherophis obsoletus, also known commonly as the western rat snake, black rat snake, pilot black snake, or simply black snake, [4] is a nonvenomous species of snake in the family Colubridae. The species is native to central North America. There are no subspecies that are recognized as being valid. [5] Its color variations include the Texas ...
In comparison to rat snake species at relatively colder regions, rat snake species at lower latitudes tend to be larger in size due to warmer climate conditions. As the global climate warms, the average body size of rat snakes at higher latitudes will become larger, which will allow the species to catch more prey and thus increase their overall ...
Ptyas mucosa, commonly known as the Oriental rat snake, [2] dhaman or Indian rat snake, [4] is a common non-venomous species of colubrid snake found in parts of South and Southeast Asia. Dhamans are large snakes. Typical mature total length is around 1.5 to 1.95 m (4 ft 11 in to 6 ft 5 in) though some exceed 2 m (6 ft 7 in).
Another large species in this family is the false water cobra (Hydrodynastes gigas) reaching a length of 3 m (9.8 ft), and a mass of 4.56 kg (10.1 lb), [79] [80] one of the largest venomous snakes in South America. The tiger rat snake (Spilotes pullatus), also living in South America, can reach a length of 2.7 m (8 ft 10 in). [81]
The snakes can also eat young chickens and chicks, hence the common name chicken snake. Rat snakes are most vulnerable to predators as juveniles. Predators of P. alleghaniensis include hawks (Buteo spp.), great horned owls (Bubo virginianus), foxes, raccoons, and domestic cats. Adult eastern rat snakes have few known predators other than humans.
It is among the largest and most robust of all the rat snake species. It varies greatly in colouration, from creme saddles to dark brown saddles. Many captive bred specimens have been line bred to produce clean yellow saddles. The northern, darker, is the most common variety.
Resarchers feared the Vangunu giant rat, native to the forests of the Solomon Islands, had gone extinct. Then they captured images of four of these creatures. The Giant Rat Was Supposed to Be Extinct.
Pantherophis is a genus of nonvenomous colubrid snakes endemic to central and eastern regions of North America. It consists of the North American ratsnakes, the foxsnakes, and the cornsnakes. The genus, which contains 10 recognized species, first appeared in the fossil record in the Middle Miocene around 16.3 million years ago. They are a large ...