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Rattlesnakes To Benefit From Climate Change – New Study

June 6, 2022
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Rattlesnakes To Benefit From Climate Change – New Study
Rattlesnakes To Benefit From Climate Change – New Study

A new study has revealed that the rattlesnake species of snakes shall benefit from climate change even though animals around the world have been feeling the negative effects of the environmental condition.

Reportedly, a new study published in the journal Ecology and Evolution earlier this month suggests rattlesnakes could spend less time hibernating and more time being out in the wilderness as the planet warms.

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The reasoning has to do with rattlesnakes being cold-blooded animals. Hayley Crowell, doctoral student at the University of Michigan and lead author of the study, and her team examined the Pacific rattlesnake because it can be found in desert regions like Southern California and colder climates like Washington state.

Researchers observed the snakes preferred body temperatures of around 86-89 degrees Fahrenheit, much warmer than those found in nature. Also, ones taken from hotter climates appeared much larger than those in colder conditions.

“They’re existing in temperatures cooler than what they would want to be at in a perfect world,” Crowell told USA TODAY. “If there’s a couple degree increase in climate, these snakes, from a physiology standpoint, might be happier because it’s closer to their preferred body temperature.”

If temperatures continue to warm, Crowell said that could mean hibernation ends earlier in the spring for rattlesnakes, and they could still be active late in the fall heading into winter.

“Basically just more time to grow and do rattlesnake things,” she said.

Even if rattlesnakes do benefit from warmer temperatures, they still have some negative effects from it; there’s projected to be less prey like squirrel and lizards, and snakes could be victim of increased wildfires and the low availability to water.

Yet, rattlesnakes do have a way of countering eating less, as Crowell’s team also noted they have lower metabolisms than their counterparts, and could be content with eating only a dozen times a year.

“They just do not need a lot of food at all to survive,” she said. “A rattlesnake can totally survive just on one or two big ground squirrels a year if it needed to.”

Even without eating much, humans still remain a victim of rattlesnakes and other venomous snake bites.

Rattlesnakes, one of the most widely known snakes in the world, are relatively reserved reptiles that avoid human confrontation, but when threatened, they often will curl into striking position and begin to rattle their signature tail before they give a venomous bite.

Rattlesnakes can be found in every state in the continental U.S., according to Lewis and Clark Trail Heritage Foundation, but they are commonly found in the southwest.

The Centers for Disease Control and Prevention says 7,000 to 8,000 people are bitten by venomous snakes each year, with an average of five deaths in that timespan. But getting bit by a rattlesnake could leave a lasting mark, with 10%-to-44% of people bit by rattlers having last injuries, such as losing the ability to use extremities or having a disability.

Luckily, Crowell said not to panic; more rattlesnake activity won’t mean “a giant boom of millions of more rattlesnakes.” Instead, they might just be noticed more often and won’t drastically up the annual number of bites.

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