One of the most dangerous reptiles considered a rattlesnake.She is a representative of a family of pit viper.This animal lives mainly in South-East Asia, America and Russia.
How ironed rattlesnake?Animal head is triangular, the pupils of the eye - the vertical.The length of an adult can reach more than one and a half meters.A characteristic feature of the representatives of this species - the presence of two long hollow teeth, from which stands out a deadly poison.At the head of reptiles, between the eyes and nostrils are two termoretseptornye pit, allowing them to detect the temperature difference of the victim.These amazing receptors are able to respond to even the most minor changes in air temperature (0.1 degrees).This feature allows the animal pretty hunt successfully even at night.
The name of a rattlesnake got through Rattle, located at the tip of its tail.It is a modified movable flakes.In the process of vibration they collide with each other, emitting a characteristic "rattling" sound.
All kinds of pit viper family of snakes feed mainly on small vertebrates mammals.They can be quite a long time to be in ambush, waiting for the victim will be selected as close as possible, and then suddenly attack her.For wintering rattlesnakes choose places where they can feel comfortable, soaking up each other, the entire period of hibernation.In the fall of reptiles try as often as possible to crawl out into the sun to bask under its rays.
Almost all members of the family pit viper viviparous.A few minutes after laying eggs, the young offspring shell breaks and is born.Adult snakes constantly monitored to ensure that the offspring of a jack with no one approaching.At a young age tails of snakes have a bright color, contrasting with the color of the body.At the same time young rattle at the tip of the tail missing, it appears much later.
Like many other scaly reptiles class, rattlesnakes shed periodically.After each change of the skin of the animal at an additional new rattle segment is horny.Young snakes molt occurs quite frequently - up to six times a year.In adults, - once a year and a half.Before the beginning of molting animal corneas lose transparency, it becomes cloudy.At this time, the snake is not able to see.She spends almost all the time in the shelter as long as the vision is not coming back.Navigate in space helps the snake language, and get food - termolokator.Teeth reptile uses to grab and kill its prey.
When a rattlesnake senses danger, it folds into a tight spring, ready at any moment to turn around with great force.This resembles a spiral tail part of a ring in the center of which is a rattle-rattle, rustling publishes awesome.The front of the column becomes high.
Rattlesnakes are mainly nocturnal.After all, in the dark most of the victims is active.In addition, night hunting allows the animals to avoid the heat and sunburn.Happy reptiles hiding under rocks or in burrows of rodents.
fatal to humans carries a risk of snake venom contained in the salivary glands of the animal and is transmitted through a bite.It is a thick liquid consistency transparent color having a great number of complex biologically active agents.Once in the blood, poison immediately affects all blood vessels and cells of the human body.Therefore, when a snake bite is very important to promptly provide the person skilled medical care.