The huge white-tailed eagle is our largest bird of prey. After being persecuted to extinction in the UK, it has been successfully reintroduced in Scotland and, more recently, to the Isle of Wight…

The egg-shaped, crimson flower heads of Great burnet give this plant the look of a lollipop! It can be found on floodplain meadows - a declining habitat which is under serious threat.

The song of the skylark has been the subject of many great musical and literary works. A quintessential feature of our farmland and grasslands habitats, it is declining rapidly with habitat loss…

The nodding, pink-and-purple-chequered flowers of the snake's-head fritillary are said to resemble a snake, hence the name. Declining with the loss of our meadows, this delicate plant can be…

The speckled wood prefers the dappled sunlight of woodland rides and edges, hedgerows and even gardens. Despite declines, its range has spread over recent years.

The Canada goose is our most familiar goose, although it is not actually native to the UK. A common and bold bird, it can be found around most parks, lakes, reservoirs and gravel pits.

The red grouse is an umistakeable bird - plump and round, with a gingery-red body as its name suggests. Found on upland heathlands, it is under threat from the nationwide, dramatic loss of these…

From grunts and groans, to 'purring' and 'piglet squealing', the water rail is more often heard than it is seen! This shy bird lives in reedbeds and wetlands, hiding among the…

The black poplar is a large tree of floodplains, flooded gravel pits and ditches, particularly in England. Despite being an important part of our culture for centuries, it has declined massively…

The garden tiger is an attractive, brown-and-white moth of sand dunes, woodland edges, meadows and hedgerows; it will also visit gardens. In decline, it is suffering from the 'tidying up…

Living up to its name, the long-tailed tit can be easily recognised by its long tail. It is a small, pretty, pink, black and white bird that can be seen in woodlands, gardens and parks.

Sand eels are a hugely important part of our marine ecosystem. In fact, the fledgling success of our breeding seabirds entirely depends on them.