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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 ...
Among the colubrids, the most diverse snake family, the largest snakes may be the keeled rat snake (Ptyas carinata) at up to 4 m (13 ft). [76] The genus Drymarchon also contains some of the largest colubrids such as the eastern indigo snake ( Drymarchon couperi) and the indigo snake ( Drymarchon corais ) which can both reach lengths of almost 3 ...
Though the findings made by Fry's group are incredible, there are anecdotal reports from the Huaorani people of other anacondas in the area "measuring more than 7.5 meters long (24.6 feet) and ...
Oocatochus is a genus of snake in the family Colubridae that contains the sole species Oocatochus rufodorsatus. [2] [3] It is known as the frog-eating rat snake, or red-backed rat snake. [1] [4] It is found in East Asia, in eastern China, Korea, and Russia. [1] [4] The reptile database also mentions Taiwan, [4] but other sources do not support ...
They are a large terrestrial snake genus that lack subocular scales. Originally classified in the genus Elaphe, phylogenetic studies have found this taxon to be closely related to Pituophis. As with all snakes Pantherophis is an obligate faunivore with a diet that consists of small mammals, birds, reptiles and amphibians, and even insects ...
The new species, described in the journal Diversity, diverged from the previously known southern green anaconda about 10 million years ago, differing genetically from it by 5.5 per cent.
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.