North Yorkshire
| British Butterfly Conservation (Yorkshire Branch) | |
| British Dragonfly Society (Yorkshire Branch) | |
| Craven Conservation Group | |
| Craven Naturalists’ and Scientific Association | |
| Cross Hills Naturalists’ Society | |
| Harrogate and District Naturalists’ Society | |
| High Batts Nature Reserve | 01765 600528 |
| Lower Ure Conservation Trust | 01765 602832 |
| Mid Yorkshire Fungus Group | 01924 275631 |
| North Yorkshire Bat Group | |
| Ryedale Natural History Society | |
| Scarborough Field Naturalists’ Society | 01751 476550 |
| Upper Wharfedale Field Society | 01756 753259 |
| Wharfedale Naturalists’ Society | |
| Whitby Naturalists’ Society | |
| Yoredale Natural History Society | 01969 623012 |
| York Ornithological Club | |
| Yorkshire Fern Group | 01943 467519 |
| Yorkshire Mammal Group | |
| Yorkshire Naturalists' Union | |
| Yorkshire Planning Aid | 0113 2042460 |
South Yorkshire
East Yorkshire
| Beverley Naturalists’ Society | 01482 867115 |
| British Butterfly Conservation (Yorkshire Branch) | |
| British Dragonfly Society (Yorkshire Branch) | |
| East Yorkshire Bat Group | 01482 844800 |
| Filey Brigg Ornithological Group | |
| Goole & District Naturalists’ Society | |
| Hull Naturalists Society | |
| Hull Valley Wildlife Group | |
| South Holderness Countryside Society | |
| Thorne and Hatfield Conservation forum | |
| Yorkshire Mammal Group | |
| Yorkshire Naturalists' Union | |
| Flamborough Head Bird Observatory | |
| Spurn Bird Observatory | 01964 650479 |
| Yorkshire Planning Aid | 0113 2042460 |
West Yorkshire
| Bradford Botany Group | |
| British Butterfly Conservation (Yorkshire Branch) | |
| British Dragonfly Society (Yorkshire Branch) | |
| Castleford and District Naturalists’ Society | |
| Cross Hills Naturalists’ Society | |
| Halifax Scientific Society | 01422 348222 |
| Huddersfield Bird Watchers’ Club | |
| Leeds Bird Watchers’ Club | |
| Leeds Naturalists’ Club and Scientific Association | |
| Mid Yorkshire Fungus Group | 01924 275631 |
| Swillington Ings Bird Group | |
| Wakefield District Biodiversity Group | |
| Wakefield Naturalists’ Society | 01924 781775 |
| West Yorkshire Bat Group | |
| Yorkshire Conchological Society | 0113 2697047 |
| Yorkshire Fern Group | 01943 467519 |
| Yorkshire Mammal Group | |
| Yorkshire Naturalists' Union | |
| Yorkshire Planning Aid | 0113 2042460 |
National Groups
| Badger Trust | 08458 287878 |
| Barn Owl Conservation Network | 0845 051 0344 |
| Bat Conservation Trust Helpline | 0845 1300 228 |
| British Herpetological Society | |
| British Lichen Society | |
| British Ornithologists' Union | 01733 844 820 |
| Hawk and Owl Trust | 0844 984 2824 |
| Mammal Society | 023 80237874 |
| National Biodiversity Network | 0115 959 6433 |
| Royal Society for the Protection of Birds | 01767 693690 |
| The Wild Flower Society | 020 8368 5328 |
| Wildfowl and Wetlands Trust | 01453 891900 |
Wildlife Crime Officers
If you believe a protected species to be under direct threat then ask to speak to your local Wildlife Crime Officer
| North Yorkshire Police | 0845 6060247 |
| South Yorkshire Police | 0114 220 2020 |
| Humberside Police Force | 0845 6060 222 |
| West Yorkshire Police | 0845 6060 606 |