This is a leaderboard for 2026 records entered via SEWBReCORD and the LERC Wales app* (*all of Wales included).
The number of taxonomic groups is based on the NBN taxon group terminology. Click here to show the full list.
| Name | No. of Species | No. of Records | No. of Taxon Groups | ||
|---|---|---|---|---|---|
| Williams, Peter | 13 | 13 | 2 | ||
| Williams, Rhiannon | 3 | 3 | 1 | ||
| Williams, Samantha | 2 | 2 | 2 | ||
| Williams, Sian | 3 | 5 | 2 | ||
| Williams, Yoru | 1 | 1 | 1 | ||
| Willis, Jen | 12 | 22 | 6 | ||
| Wilson, Alastair | 2 | 2 | 2 | ||
| Wilson, Deborah | 1 | 1 | 1 | ||
| Wilton-Jones, Laura | 2 | 2 | 2 | ||
| Windmill, Duncan | 7 | 7 | 1 | ||
| Winters, Paul | 33 | 33 | 7 | ||
| Withers, Wayne | 1 | 1 | 1 | ||
| Wood, Bonnie | 1 | 1 | 1 | ||
| Woodcock, Sarah | 1 | 1 | 1 | ||
| Woodhouse, Cathy | 2 | 2 | 2 | ||
| Woodruff, John | 6 | 6 | 4 | ||
| Woods, Eric | 52 | 81 | 10 | ||
| Wright-Davies, Rebecca | 16 | 17 | 5 | ||
| Wright, Elaine | 27 | 34 | 6 | ||
| Yeomans, Mary | 1 | 2 | 1 | ||