As the only crow with a red bill and red legs, the all-black chough is easy to identify. But it's harder to spot: there are only small, coastal populations in Scotland, Ireland, Wales,…

This long-lived bivalve can be found buried in the sand on the south and west coasts of the UK.

A much-loved garden bird, the blackbird is famous for its harmonious song. In winter, our resident birds are joined by migrants from Scandinavia and the Baltics.

Parsley fern lives up to its name - the pale green fronds form in clusters among rocks and look just like parsley. Look out for it in upland areas, particularly in Wales and Cumbria.

The melodious song of the nightingale is the most likely sign of this bird being about. Shy and secretive, it sings from dense scrub and woodland, day and night.

Seabass is a seafood favourite, appearing on menus throughout the UK. But it's in trouble in UK seas, with much of the seabass we eat imported from European fish farms.

As its name suggests, the Melancholy thistle was once used to treat 'melancholia' (depression). Today, it can be found in upland hay meadows showing off its single, purple, thistle-like…

The black hairstreak is a rare butterfly that is restricted to woodlands and hedgerows containing blackthorn - the foodplant of the caterpillar. It is both elusive and hard to tell apart from…