Wildlife of Britain

Here is a scientific summary of adders in the UK — specifically the common European Adder, Vipera berus, which is the only venomous snake species native to Great Britain.  This article covers taxonomy, morphology, ecology, physiology, behaviour, conservation status, threats, population genetics, and distribution. Taxonomy & Scientific Classification Common names : Adder, Common Adder, European Adder Scientific name : Vipera berus (nominotypical subspecies often referred to as Vipera berus berus). Family: Viperidae Order: Squamata (snakes and lizards). IUCN Red List status (global): Least Concern, reflecting a wide range across Europe and Asia, not just the UK. The european adder typically grows up to about 60–80 cm in length and is known for the distinctive dark zigzag pattern along its back. The photo above shows that adders can also be melanistic (all black). Morphology & Physiology Size : Adults typically 60–80 cm long, with females often slightly larger than males. Weig...

What to Do If Your Dog Is Bitten by an Adder in the UK Adder bites are uncommon but potentially serious for dogs in the UK, particularly during spring and summer when snakes are more active.  Knowing how to respond quickly can make a life-saving difference. This guide explains first aid, symptoms, and veterinary care for dogs bitten by adders. Understanding Adder Bites in Dogs The common European adder (Vipera berus) is the UK’s only venomous snake.  Its bite is usually defensive rather than aggressive, and bites to dogs often occur when a dog disturbs or steps on a snake in woodland, heath, or grassy areas. Adder venom contains toxins that can cause: • Swelling and pain at the bite site • Bruising or redness • Lethargy or weakness • Vomiting or drooling • Laboured breathing (in severe cases) • Collapse or shock Dogs at high risk include puppies, small breeds, and older dogs, as they may be more sensitive to venom. Immediate Steps to Take If your dog is bitten by an adder, ac...