Wildlife

Common Lizard: Viviparous Reptile of Open Habitats

The common lizard is the most widespread UK reptile but faces declines from habitat loss and fragmentation.

Key Facts

Common lizards are the only reptile found in Ireland where no other lizard or snake exists
They give birth to live young wrapped in a thin membrane rather than laying eggs
UK population remains relatively large but is declining in lowland areas
They bask extensively in spring and autumn to regulate body temperature
Common lizards feed on small insects, spiders, and other invertebrates

Welfare Considerations

Common lizards face welfare threats from loss of sunny open habitat through scrub encroachment and woodland succession. Road mortality affects populations in fragmented landscapes. Pesticide use reduces the invertebrate prey on which they depend. Cats take significant numbers in suburban areas. Climate change may benefit them in cooler upland regions but threatens lowland populations through habitat change.

What You Can Do

Maintain sunny south-facing habitat through sympathetic scrub management
Create lizard-friendly garden features including log piles and rough grassland patches
Reduce pesticide use to maintain invertebrate prey populations
Support heathland and grassland management schemes that benefit reptiles
Submit common lizard records to Amphibian and Reptile Conservation surveys