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.

Flowering in spring, the cylindrical, densely packed flower spikes of Sweet vernal-grass are easily spotted in a meadow. It also tastes of sweet vanilla and was once a favourite 'chewing…

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.

As it names suggests, the common crossbill has a large bill that is crossed at the tip - perfect for picking the seeds out of pine cones. Look for it in conifer woodlands, mainly in the north and…

Only a few pairs of snow bunting breed here, so look out for this striking black-and-white bird in winter around Scotland, the North West and the East coast of England.

As its name suggests, quaking-grass can be seen quivering or 'quaking' in a breezy, summer wildflower meadow. Its purple-and-green, heart-shaped flower heads hang from delicate stems.…

The Atlantic salmon spends most of its life at sea, but makes an epic journey back to the river or stream in which it hatched to spawn. Look out for it in freshwater rivers in the north and west…

Common box grows in woodlands and scrub in southern England, with notable populations in the Chilterns, Cotswolds and North Downs. A familiar evergreen tree, it has shiny, dark green, oval leaves…

A large hawker, the Common Hawker can be seen throughout the summer and into autumn. A fast-flying insect, it catches its prey mid-air. Look for it around ponds in the uplands of the north and…

The ivy bee is a new arrival to the UK. First recorded here in 2001, it is slowly spreading north. It feeds mainly on the nectar of ivy flowers and can be seen in autumn when this plant is in…