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As rattlesnakes age, segments on the end of the rattle wear out and break off. New segments grow when the rattlesnake sheds its skin, or molts. They detect movement by sensing vibrations in the ground.
Their eyes see well even in low light. This pit is actually a sensory organ that helps the rattlesnake hunt in darkness by detecting body heat. All rights reserved. Personality Quizzes. Funny Fill-In. The warm weather that brings out hikers also brings out coldblooded rattlesnakes eager to sun themselves. But even though they crave the sun, rattlesnakes do their best to avoid the spotlight. Rattlesnakes are ambush predators, relying on staying hidden to get close to their prey.
Their patterns and coloration help them blend into their surroundings. Fortunately, rattlesnakes have an unmistakable warning, a loud buzz made to startle any aggressor and hopefully avoid having to bite.
You want to figure out which direction the sound is coming from. Once you do, slowly back away. If you do get bitten, immobilize the area and avoid overly exerting yourself. Immediately seek medical attention. You may need to be treated with antivenom. Rattlesnake rattles work like a maraca with little bits shaking around inside. Each segment is held in place by the one in front and behind it, but the individual segments can move a bit. The snake uses special high-performance muscles to shake its tail, sending undulating waves down the length of the rattle.
The segments are loose, so they click against each other. It happens so fast that all you hear is a buzz and all you see is a blur. Brad Moon , a biologist at the University of Louisiana at Lafayette, studies those shaker muscles. Using high-speed cameras, Moon recorded rattlesnakes shaking their tails 50 to times every second.
It may be true that juvenile rattlesnakes can be more likely to strike and less able to control how much venom they release in a single bite. Their venom also can be, drop for drop, more dangerous because of the different prey that juvenile snakes eat. Adults possess much more venom, making the bites more dangerous.
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