Facts about Mexican Lance-headed rattlesnakes. "Scientific name for Mexican Lance-headed rattlesnake is Crotalus polystictus". Mexican Lance-headed rattlesnake is a poisonous pit viper variety of snake that belongs to the genus Crotalus of the Viperidae family. The Mexican Lance-headed rattlesnakes are native to Mexico, and they are largely found on the upland of central Mexico from the southern part of Zacatecas and the northeastern part in east Colima to east-central Veracruz. The Mexican Lance-headed rattlesnake usually live at heights, ranging from 1,450 meters to 2,600 meters (4,760 and 8,530 feet) above sea level. In the plains the Mexican Lance-headed rattlesnakes prefer to live in Grasslands, oak and pine forests with rock-strewn outcrops, glides and clear patches connected with the Mexican Plateau
Features of Mexican Lance-headed rattlesnake
Usually, an adult Mexican Lance-headed Rattlesnake is an average-sized snake, and it will attain a maximum body length that ranges from 24 inches to 28 inches (60 to 71 cm), with a body mass between 7 pounds and 10.5 pounds (3.1 to 4.7 kg). The dark marked pattern of the Mexican Lance-headed rattlesnakes is extremely unique when compared to other varieties of rattlesnakes in their family. The marks are habitually 30 to 47 in numbers that are oval in shape or they are elongated at the front part of their body and turn into more circular on the way to middle part of the body. Usually, the Mexican Lance-headed rattlesnakes have 4 to 7 crossbands at their tail. Generally, the snake has a brown, tan, gray or occasionally white-colored underside.
The head of the adult Mexican Lance-headed Rattlesnake is posted, habitually two posts are situated on the prefrontal, a couple of marks can be found on their upper temporal, a single or a double middle mark and a couple of marks that starts after the post-ocular line occasionally running into their neck. The size ratio of the Mexican Lance-headed rattlesnakes is small when compared to the length of their head.
Even though the Mexican Lance-headed Rattlesnake do not bite, its yields fairly a huge amount of poison that ranges from 80 mg to 100 mg. The elongated fangs of the Mexican Lance-headed rattlesnakes make them rather hazardous. This used to be an extremely copious species in its variety, but because of the unregulated farming practices and human harassment, the quantities of these snakes are dwindling quickly.
Diet of Mexican Lance-headed rattlesnake
The Mexican Lance-headed Rattlesnake usually feeds on Amphibians, insects, other reptiles and occasionally small creatures.
Behavior of Mexican Lance-headed rattlesnake
The Mexican Lance-headed Rattlesnake adds a new rattle every time it sheds its skin. The frequency of the outgrowth of their skin counts on how quick they cultivate. When the Mexican Lance-headed rattlesnakes are healthy and well-nourished, they may shed their skin three to four times in a year. So, it is a saga that the age of a Mexican Lance-headed Rattlesnake can be told by tallying its rattles. The Mexican Lance-headed Rattlesnake is known to share the dens of the gopher tortoise.
Reproduction of Mexican Lance-headed rattlesnake
The mating season in the Mexican Lance-headed Rattlesnake varieties starts during the spring season, with female snakes offering birth to live brood during the fall. The female rattlesnake is ovoviviparous and it offers birth to 3 to 12 live juvenile snakes. Usually, the reproductive cycles of these snakes are corresponding with the raining season in their native range.
The average lifespan of the Mexican Lance-headed Rattlesnake ranges from 20 years to 25 years.