The following links will take you to useful external websites
- Overton village
- Basingstoke & Deane Borough Council (Environment and Health Department)
- Hampshire and Isle of Wight Wildlife Trust
- British Trust for Conservation Volunteers (local branch)
- Hampshire Biodiversity Partnership
- Hampshire County Council (Biodiversity)
- UK Biodiversity
- English Nature
- Royal Society for the Protection of Birds
- Hampshire Ornithological Society
- Hants Moths
- Convention on Biological Diversity
- Campaign to Protect Rural England