Experts issue urgent snake warning as huge 6.5ft-long reptiles spotted in UK
A snake species that hasn't been spotted in the UK for over 300,000 years has made a surprising return, with some individuals growing up to six-and-a-half feet in length.
The Aesculapian snake, a nonvenomous species originally native to central and southern Europe, appears to be thriving in its new UK habitat, despite facing a decline in numbers in its native regions. The snakes have found their way to Britain following two separate accidental introductions: one near Colwyn Bay in North Wales, stemming from an escape at Welsh Mountain Zoo, and another along Regent’s Canal in London, Express reports.
London Zoo has distanced itself from the population of Aesculapian snakes near the zoo and Regent’s Canal. It is believed that the snakes either escaped or were released by a group of researchers studying them in the area during the 1980s, according to Sky News.
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A recent study by Bangor University suggests that climate change and human transport are driving the return of the Aesculapian snake to the UK. The research highlights how these snakes have adapted by seeking shelter in unusual spots, like attics and garden compost bins, which provide warmth during colder months, helping them survive in regions outside their usual range.
Known for its long, slender body which reaches up to six-and-a-half feet, the Aesculapian snake primarily preys on rodents. A skilled climber, it is often seen in trees and bushes, hunting small birds, mammals, and reptiles during the day.
The experts said in the report: "While Aesculapian snakes are present in the fossil record of the UK, they have been absent for likely 300,000 years. Worldwide, animal ranges are shifting poleward or to higher elevation as the climate warms dramatically because of human activity.
"The UK is now home to an increasing number of mobile species which can travel over sea from further South, including numerous moths and butterflies, and wetland birds."
North Wales is thought to be the northern limit for the Aesculapian snake, with buildings and vegetation providing the perfect conditions for its survival. However, while the species has clearly adapted well, the study suggests its success doesn’t necessarily point to ideal conditions. Instead, it highlights the snake’s ability to thrive in mixed habitats near human settlements.
The study notes: "Aesculapian snakes are adaptable generalists, capable of using mixed habitat and unafraid of using buildings and other features in close proximity to humans."
