Castle Rock also brew a range of one-offs and seasonal beers and also a "Natural Selection" wildlife ales, in conjunction with the Wildlife Trusts.
The Wildlife Trusts is an organisation made up of 47 local Wildlife Trusts in the United Kingdom plus the Isle of Man and Alderney.
United States Fish and Wildlife Service | Wildlife Conservation Society | Arctic National Wildlife Refuge | Durrell Wildlife Park | National Wildlife Federation | Durrell Wildlife Conservation Trust | Devon Wildlife Trust | Theodore Roosevelt National Wildlife Refuge Complex | Wildlife management | Wildlife | wildlife | The Wildlife Trusts | The Pew Charitable Trusts | Kenya Wildlife Service | Committee on the Status of Endangered Wildlife in Canada | Cabo Rojo National Wildlife Refuge | Cabeza Prieta National Wildlife Refuge | Back Bay National Wildlife Refuge | Wildlife Trust | Wildlife Preservation Society of Queensland | Texas Parks and Wildlife Department | Port Louisa National Wildlife Refuge | Phu Luang Wildlife Sanctuary | Patuxent Wildlife Research Center | National Museum of Wildlife Art | Middle Mississippi River National Wildlife Refuge | Merritt Island National Wildlife Refuge | Indira Gandhi Wildlife Sanctuary | Great River National Wildlife Refuge | Currumbin Wildlife Sanctuary |
Since 2003 the partnership has expanded to include National Housing Federation, Groundwork, The Wildlife Trusts, Landscape Institute, Green Flag Award, Royal Horticultural Society, Natural England and CABE.
Radnorshire Wildlife Trust (Welsh: Ymddiriedolaeth Natur Maesyfed) is one of six wildlife trusts in Wales.