ReptileVU — Vulnerable

Adder

Vipera berus

About

Britain's only venomous snake and one of the most northerly distributed snakes in the world. It is a protected species, declining significantly due to habitat loss and persecution. The zigzag dorsal pattern is distinctive.

Community Sightings

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back garden

21 Apr 2026

@moonplanter

Puddletown, Dorset

5 Apr 2026

@moonplanter

🦎

Spotted one?

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Quick Facts

Category: Reptile
Latin name: Vipera berus
IUCN Status: VU — Vulnerable
Community sightings: 2

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Conservation Status: VU

Vulnerable — assessed by the IUCN Red List of Threatened Species.