Holme Fen is part of a nature reserve containing the largest pure birch woodland in the country together with raised mire and heathland habitats. A variety of bird life can be found including siskin, nightingale, redpoll, blackcap, woodpecker and long-eared owl alongside 450 different species of fungi! In the 1980's an open water area was created to support dragonflies, birds and various marsh plants.