The White-clawed crayfish is a freshwater, bronze-coloured crustacean with pale undersides to its claws - hence the name. It is under threat from an invasive and introduced species of crayfish.…

The rare wildcat is so similar to a domestic tabby that interbreeding is a serious threat to its survival. Although known as the 'tiger of the Highlands', it is shy and elusive, making…

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 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…

The once-common pochard is now under threat because its populations are declining rapidly. The UK is an important winter destination for the pochard, with 48,000 birds visiting our wetlands and…

Escaped or intentionally freed from fur farms in the 1960s, the American mink is now well established in the UK. Its carnivorous nature is a threat to our native water vole and seabird populations…

Chamomile releases a beautiful, apple-like scent when crushed. For this reason, it was used in Elizabethan times as a plant for lawns and seats! Today, it is scarce in the wild, its grassland…

The male whitethroat does, indeed, have a white throat! Arriving from Sub-Saharan Africa in April, it can be spotted on grassland and scrub, and along hedgerows. It is bigger than the lesser…

This huge gull can be seen around most of the UK's coasts in summer, with some venturing inland in winter.

The water vole is under serious threat from habitat loss and predation by the American mink. Found along our waterways, it is similar-looking to the brown rat, but with a blunt nose, small ears…

Goose barnacles often wash up on our shores attached to flotsam after big storms.