The Royal Society for the Protection of Birds in Wales
- Provides information on species, reserves, local groups, volunteering opportunities and job vacancies, events, conservation projects, and school visits. Includes links to detailed studies.
- http://www.rspb.org.uk/wales/

The Friends of the Anglesey Red Squirrels
- Describes the status and habitat of the second largest population in Wales. Contains news and events, a sighting recording form, and volunteer opportunities.
- http://www.redsquirrels.info/

Mosses and Liverworts in Wales
- Provides an introduction to bryophytes. Includes photographs and information about species and habitats, conservation, recording and mapping, and suggestions for further reading.
- http://home.clara.net/adhale/bryos/

BBC South West Wales: Nature
- Information about animals and the natural world. Includes facts and images for hundreds of species and habitats, plus news and features, activities, quizzes, and links to related sites and organisations.
- http://www.bbc.co.uk/wales/southwest/nature/

The Welsh Kite Trust
- A registered charity dedicated to the conservation and monitoring of this endangered species. Includes detailed background information, articles, news, and records.
- http://www.welshkitetrust.org/

Welsh Wildlife Photography
- A photographic database of species. Includes mammals, insects, fish, amphibians, birds, reptiles, plants, lichens, fungi, and mosses.
- http://www.welshwildlife.co.uk