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Although many kinds of snakes and other reptiles are oviparous (lay eggs), rattlesnakes are ovoviviparous (give birth to live young after carrying eggs inside). [75] The female produces the ova ("eggs") in her ovaries , after which they pass through her body cavity and into one of her two oviducts .
The eastern massasauga (Sistrurus catenatus) is a rattlesnake species found in central and eastern North America from southern Ontario in Canada and throughout the Midwestern and Eastern United States. Like all rattlesnakes, it is a pit viper and is venomous; it is the only species of venomous snake in Ontario. [4]
In Pennsylvania, the smallest size females that could produce viable eggs was 72.2 cm (28.4 in). [16] Most adult timber rattlesnakes found measure less than 115 cm (45 in) in total length and weigh between 500 and 1,500 g (1.1 and 3.3 lb), often being towards the lower end of that range.
Like other pit viper species but unlike most snakes, rattlesnakes don't lay eggs. Instead, they give birth to live young. Eight is an average-size brood, with the number depending on the snake's ...
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Crotalus cerastes, known as the sidewinder, horned rattlesnake or sidewinder rattlesnake, [3] is a pit viper species belonging to the genus Crotalus (the rattlesnakes), and is found in the desert regions of the Southwestern United States and northwestern Mexico. Like all other pit vipers, it is venomous.
Also unlike other snakes, rattlesnake mothers care for their young, protecting them against predators and shielding them with their bodies. Sometimes rattlesnakes even care for the young of others.
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).