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This is a list of snake species known to be found in the U.S. state of Illinois. [1] Concerns and listed statuses come from the Illinois Endangered Species Protection Board's February 2011 Checklist of endangered and threatened animals and plants of Illinois and the Illinois Natural History Survey's website. [1] [2]
Roughly 7,000–8,000 people are bitten by venomous snakes each year in the United States, and about five of those people die. [4] Though most fatal bites are attributed to rattlesnakes, the copperhead accounts for more snakebites than any other venomous North American species. Rattlesnake bites are roughly four times as likely to result in ...
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 species is listed as threatened in Illinois [61] and New York [62] [63] In New York, timber rattlesnakes are "extirpated at 26% of historically known dens, and nearly extirpated at another 5%". [64] Brown (1984, 1988) suggested denning populations in New York have been reduced by 50 to 75% of their historical numbers.
Bull snakes breed in March or April (depending upon their location) and usually lay their eggs in April, May, or June (again, depending upon when the snakes breed). They typically lay 12 eggs in sand or other protected areas and leave the eggs to incubate unprotected. Clutches of five to 22 eggs have been observed.
These are timber rattlesnakes, a species of rattlesnake native to the East Coast. While timber rattlesnakes are considered endangered in Massachusetts these days, that wasn't always the case.
The western diamondback rattlesnake [3] or Texas diamond-back [4] (Crotalus atrox) is a rattlesnake species and member of the viper family, found in the southwestern United States and Mexico. Like all other rattlesnakes and all other vipers, it is venomous .
The Illinois List of Endangered and Threatened Species is reviewed about every five years by the Illinois Endangered Species Protection Board (ESPB). [1] To date it has evaluated only plants and animals of the US state of Illinois, not fungi, algae, or other forms of life; species that occur in Illinois which are listed as endangered or threatened by the U.S. federal government under the ...