A small, stocky snake characterised by a zig-zag or diamond pattern along its back. Rarely grows more than 60cm. In males, the zig-zag is black and in females it is brown; juveniles are brownish or sometimes ginger in colour. Found on heaths, moors, coastal areas and woodland edges, the adder is our only venomous snake. They are still widespread in Scotland but, in many areas, populations are declining.
Photo: © ARC/Chris Dresh
Action Needed
- Increased surveying and monitoring.
- Research including on the consequences of population isolation.
- Habitat management to create and restore habitats and improve connectivity.
- Improved planning processes to take better account of adder presence at their early stages.
- Ensure the Scottish Biodiversity Strategy is fully implemented.
Threats
Development and agricultural intensification, loss and fragmentation of habitat, population isolation, human persecution and disturbance, afforestation.
MSP Nature Champion
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