| GB Red List (2001 IUCN criteria) | 5,224 |
| Scottish Biodiversity List | 798 |
| Rare and scarce species | 712 |
| UK BAP priority species | 502 |
| Biodiversity List – England | 456 |
| Rare and scarce (non-IUCN status) | 414 |
| Biodiversity List – Wales | 364 |
| Biodiversity List – Northern Ireland | 349 |
| Bern Convention | 286 |
| Convention on Migratory Species | 230 |
| Wildlife and Countryside Act 1981 | 230 |
| Global Red List (JNCC) | 182 |
| Birds of Conservation Concern | 162 |
| Birds Directive | 154 |
| GB Red List (pre-1994 criteria) | 126 |
| Wildlife (NI) Order 1985 | 120 |
| EU wildlife trade (CITES) annexes | 88 |
| Habitats Directive | 81 |
| Habitats Regulations 2010 | 51 |
| Habitats Regulations (NI) 1995 | 42 |
| OSPAR list | 25 |
| Spider red data categories | 8 |
| Scottish Biodiversity List +1 | 6 |