Our largest bat, the noctule roosts in trees and can be seen flying over the canopy in search of insect-prey, such as cockchafers. Like other bats, it hibernates over winter.

The exotic and beautiful swallowtail is the UK's largest butterfly. A strong flier, residents can be spotted over wetlands in Norfolk during summer. Migrants occasionally appear in southern…

The wigeon is a colourful duck that can often be spotted wheeling round our winter skies in large flocks. A dabbling duck, it surface-feeds on plants and seeds in shallow waters.

Yarrow can be found in many grasslands, from lawns to meadows, its flat-topped clusters of flower heads appearing from June. Cultivated varieties are garden favourites.

Broad-leaved dock is well-known to most of us as the remedy for Stinging nettle irritations. Often considered a 'weed', it can be found next to water or on disturbed ground almost…

A scarce tree of central and southern England, in particular, the Small-leaved Lime can be found in ancient woodland. It is has sweet-smelling flowers in summer and nut-like fruits in autumn.

Wavy hair-grass lives up to its name: its fine, hair-like leaves and delicate flower heads can be seen shaking in the breeze of a windswept moorland or heathland.

As its name suggests, Deadly nightshade is a highly poisonous plant. Its black, shiny berries may be tempting but fatal. Found on chalky and disturbed ground, such as scrub or verges, it has bell-…

Introduced from Japan in the 19th century, Japanese knotweed is now an invasive non-native plant of many riverbanks, waste grounds and roadside verges, where it prevents native species from…

Red valerian was introduced in the 1600s from Europe, but is now naturalised in the UK. Its pinky-red flowers grow from old walls, roadside verges, railway cuttings and cliffs, and provide nectar…

Common alder can be found along riversides, and in fens and wet woodlands. Its exposed roots provide shelter for fish, and its rounded leaves are food for aquatic insects.