Aerial survey of seals in Wales 2023

Data was collected by the Sea Mammal Research Unit, University of St Andrews (SMRU) during their oblique aerial photographic surveys of the coast of Wales in August 2023. Survey followed standard techniques as outlined in the following NRW Evidence Report. Thomson, D. 2025. Census of grey seals (Halichoerus grypus) around Wales during August 2023 using aerial survey. NRW Evidence Report Series Report No: 865, 28pp, Natural Resources Wales, Bangor 865: Census of seals in Wales using aerial surveys Information Warning: When re-using the data described, end users must acknowledge the contribution of the originators (Sea Mammal Research Unit) in collecting the data. Attribution Statement: Contains Natural Resources Wales information © Natural Resources Wales and Database Right. All rights reserved. Data collected by SMRU under contract to NRW.