A springer spaniel called Freya could detect great crested newts at distances of up to 2 metres above the ground.
Nick Upton / Alamy Stock Photo
Great crested newts cause expensive delays to construction – trained sniffer dogs may offer a solution.
Erni/Shutterstock
Britain’s native amphibians are in steep decline thanks to wetlands disappearing and ponds drying up.
Great created newt.
Chris Dresh/The Amphibian and Reptile Conservation Trust (ARC)
Building work on brownfield sites is often delayed while newts are moved to ponds elsewhere.