As its name suggests, giant hogweed it a large umbellifer with distinctively ridged, hollow stems. An introduced species, it is an invasive weed of riverbanks, where it prevents native species…

The black-tailed godwit is a rare breeding bird in the UK that has suffered from dramatic declines. It can most easily be spotted around the coast in winter and at inland wetlands when on…

The cormorant is an excellent fisher. It is most easily spotted when it is perched, stretching its wings out in the sun to dry after a dive. The UK holds internationally important wintering…

The Leyland cypress, or 'Leylandii', is a notorious tree that has been widely planted for its fast-growing nature. It easily can get out of control, shading gardens at the expense of…

The small, brown Dartford warbler is most easily spotted when warbling its scratchy song from the top of a gorse stem. It lives on lowland heathland in the south of England, where it nests on the…

The greylag goose can be easily spotted around parks, gravel pits and river valleys, but these populations tend to be semi-tame, having been reintroduced. Truly wild populations can be found in…

The teal is a pretty, little dabbling duck, which can be easily spotted in winter on reservoirs, gravel pits, and flooded meadows. Watching flocks of this bird wheel through a winter sky is a true…

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…