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Eastern diamondback rattlesnake at the Saint Louis Zoo Detail of rattle. The eastern diamondback rattlesnake is the largest rattlesnake species and is one of the heaviest known species of venomous snake, with one specimen shot in 1946 measuring 2.4 m (7.8 ft) in length and weighing 15.4 kg (34 lb).
The third largest rattlesnake is the Mexican west coast rattlesnake (Crotalus basiliscus), which reaches 2.04 m (6 ft 8 in) long and 7.7 kg (17 lb) mass, [87] and one captive-raised male was weighed at 8.8 kg (19.4 lb) in 2020.
The discovery of Titanoboa cerrejonensis supplanted the previous record holder, Gigantophis garstini, which is known from the Eocene of Egypt. Titanoboa evolved following the extinction of all non-avian dinosaurs, being one of the largest reptiles to evolve after the Cretaceous–Paleogene extinction event. Its vertebrae are very robust and ...
Of the 6 venomous snake species native to N.C., 3 are rattlesnakes – pigmy, timber & Eastern diamondback. Each one is protected by the North Carolina Endangered Species Act.
[7] [8] [9] Overall, it is likely the second largest-bodied species of rattlesnake, behind only its close cousin the eastern diamondback rattlesnake. It is also the second largest of North American venomous snakes (the bushmasters, which attain similar weights and greater total length, occur up as far as Nicaragua). [10] [11] [12]
Crotalus oreganus, commonly known as the Western rattlesnake or northern Pacific rattlesnake, [4] [5] is a venomous pit viper species found in western North America from the Baja California Peninsula to the southern interior of British Columbia.
A new snake species, the northern green anaconda, sits on a riverbank in the Amazon's Orinoco basin. “The size of these magnificent creatures was incredible," Fry said in a news release earlier ...
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