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Venomous snakes warning issued after increased sightings in Wales

Police say they have received 'several reports' of the snakes

Police have issued a warning after a large number of adder sightings were reported in Gower
Police have issued a warning after a large number of adder sightings were reported in Gower(Image: South Wales Police)

A warning has been issued after a large number of sightings of venomous snakes have been reported in coastal parts of Swansea.

A number of people have reported seeing adders in Port Eynon and Rhossili in Gower. Police have warned people - particularly those with dogs - to be wary and to keep their pets on leads at all times. Dog walkers are also warned to seek veterinary advice immediately if the suspect their dog has been bitten by an adder.


According to the Wildlife Trusts, the adder is “our only venomous snake” in the UK that is often spotted “basking in the sunshine in woodland glades and on heathlands”. Adders can live up to 15 years and measure up to 80 cm in length. For the latest Swansea news, sign up to our newsletter here.


The Wildlife Trusts adds: “The adder is the UK’s only venomous snake but its venom is generally of little danger to humans. An adder bite can be painful and cause a inflammation, but is really only dangerous to the very young, ill or old.

“If bitten, medical attention should be sought immediately. Adders are secretive animals and prefer to slither off into the undergrowth rather than confront and bite humans and domestic animals - most attacks happen when they are trodden on or picked up. Instead, they use their venom to immobilise and kill their prey of small mammals, nestlings and lizards.”

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South Wales Police posted a short video of an adder in slithering along the ground in Gower. A spokesman for the force said: "Please be advised that we have received several reports regarding increased sightings of adders in Port Eynon (sand dunes) and near Worm’s Head, Rhossili. Please do the right thing and keep your dogs on leads at all times.

"Adders are the only venomous snakes in the UK and are generally actIve from early spring to October when they aren’t hibernating. They often live in sand dunes, hillsides, moors and woodlands and are more likely to bite dogs between April and July, especially in the late afternoon.

"If you suspect an adder has bitten your dog, immediately check for two small puncture marks, swelling or redness in the area - these are common signs of adder bites. It is important to keep your dog calm and still to prevent the venom spreading and seek veterinary advice ASAP."

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