This small finch nests on moorlands and coastal crofts, spending the winter on the coast. The UK population has declined dramatically.

The dazzling silver-studded blue is a rare butterfly of heathland habitats, mainly in southern England. It has undergone severe population declines in recent years.

With a population of 75 million, the field vole is one of the UK's most common mammals. Hidden among the vegetation of grassland, heathland and moorland, it is not as easily spotted as the…

The bright blue, trumpet-shaped flowers of the marsh gentian contrast deeply with the pinks and purples of the wet heaths it inhabits. The New Forest holds a large population of this late-…

The UK hosts a small, but important, breeding population of ruff. The ruff is a large sandpiper that is so-called due to the large ruff of feathers around the males' neck. This is used in a…

Toadflax-leaved St John's-wort has star-shaped, bright yellow flowers. It is a rare plant, with most of its population existing on Dartmoor. It likes steep, sunny slopes, acidic soils and…

A pale member of the violet family sometimes known as ‘milk violet’, the fen violet has a delicate and unassuming appearance. A real specialist of the wetland habitat, this species has seen a…

The greylag goose can be easily spotted around parks, gravel pits and river valleys, but these populations tend to be semi-tame, having been reintroduced. Truly wild populations can be found in…

The herring gull is the typical 'seagull' of our seaside resorts, though our coastal populations have declined in recent decades.