Native Oysters are a staple of our seas and our plates - but our love of their taste has lead to a sharp decline all around the UK.

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…