Here's some links you might find useful!!
- The Mammal Society
- Gwynedd Bat Group
- Cofnod Local Records Centre
- Mammals in a Sustainable Environment (MISE) Project
- NatureSpy
- The Vincent Wildlife Trust
- Bat Conservation Trust
- Shropshire Mammal Group
- South Wales Mammal Group
- Snowdonia Society
- Snowdonia National Park Authority
- Wales Biodiversity Partnership
- Peoples Trust for Endangered Species
- North Wales Wildlife Trust
- The Deer Initiative