School children looking at rock from the River Haddeom whilst doing invertebrate kick samples, with Westcountry Rivers Trust (WRT) warden. Bury, Exmoor National Park, Somerset, UK. May 2012.

- Image ID: W7P2NF
School children looking at rock from the River Haddeom whilst doing invertebrate kick samples, with Westcountry Rivers Trust (WRT) warden. Bury, Exmoor National Park, Somerset, UK. May 2012.
Nature Picture Library / Alamy Stock Photo
Image ID: W7P2NF