Look out for this large, leafy lichen on trees in ancient woodlands in the west of the UK.

The thick topshell is a common sight on rocky shores in Wales and South West England.

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

This streaky brown bird is a summer visitor to Britain, favouring open woodlands in the north and west.

This bumpy shell lives up to its name and lives partly buried in the seabed along the west coast of Great Britain.

Look for the deep magenta, star-shaped flowers of Marsh cinquefoil in marshes, bogs, fens and wetlands in the north, west and east of the UK.

A summer visitor to the UK, the red-tailed redstart is a robin-sized bird that can be spotted in woodlands, parks and hedgerows, mainly in the north and west of the UK.

Look for the wood warbler singing from the canopy of oak woodlands in the north and west of the UK. Green above, it has a distinctive, bright yellow throat and eyestripe.

The raven is famous for being the imposing, all-black bird that guards the Tower of London. Wild birds live in forests, and upland and coastal areas in the north and west of the UK.

A common and diminutive fish, the minnow can be found in freshwater streams, rivers and lakes across the country. Look out for the dark stripe along its flank and the red bellies of the males.

The Sessile oak is so-called because its acorns are not held on stalks like those of the familiar English oak. It can be found in woodlands mainly in the north and west of the UK.