Smooth Snake and Sand Lizard Conservation

The smooth snake and sand lizard are Britain's rarest reptiles, confined to lowland heathland and sand dunes, with welfare and conservation concerns centred on habitat management and translocation success.

Key Facts

Smooth snakes and sand lizards are found at fewer than 100 sites in the UK, primarily in Dorset and Surrey
Both species are fully protected under the Wildlife and Countryside Act 1981
Sand lizards have a distinctive green breeding coloration in males during the mating season
Smooth snakes are constipators rather than venomous, killing prey by coiling around it
Both species are highly thermally sensitive and depend on south-facing bare ground for basking

Welfare Considerations

Smooth snakes and sand lizards face welfare threats from habitat fragmentation and inappropriate heathland management. Without regular controlled burns or scrub clearance, heathland succeeds to scrub that shades out basking sites. Translocation programmes have mixed welfare outcomes: stress during capture and transport, failure to establish home ranges at receptor sites, and predation during the vulnerable post-release period all affect survival. Climate change may expand suitable thermal habitat but increases drought risk.

What You Can Do

Support heathland management work by Natural England and the National Trust
Donate to Amphibian and Reptile Conservation which leads smooth snake and sand lizard recovery
Volunteer for heathland scrub clearance events to maintain open basking habitat
Avoid disturbing heathland reptile sites and stay on marked paths in sensitive areas