Look for the Yellow water-lily in still and slow-moving water, such as ponds, ditches, lakes and canals. Its lily pads and cupped, yellow flowers float at the water's surface.

The hooded crow was thought to be the same species as the carrion crow, but they have now been separated. Less widespread than its cousin, look for it in North Scotland, Northern Ireland and the…

The common osier is a small willow tree that is found in fens and ditches, and on riverbanks. It has been widely cultivated and coppiced for its twigs, which are used in traditional basket-making…

Mae'r gweirlöyn brych yn ffafrio golau haul brith rhodfeydd ac ymylon y coetir, gwrychoedd a hyd yn oed gerddi. Er gwaethaf ei ddirywiad, mae ei amrediad wedi lledaenu yn ystod y blynyddoedd…

Look out for the black guillemot all year-round at scattered coastal sites in Scotland, England, Wales and the Isle of Man. It tends not to travel far between seasons, breeding and wintering in…

In summer, the sedge warbler can be spotted singing from a reed or willow perch in wetlands across the UK. Males never sing the same song twice, adding new phrases to impress the females.

These beloved spiny mammals come out at night to hoover up beetles, worms and other invertebrates.

This dazzling moss grows in dark places, catching any faint light to glow a golden-green.

This charming little warbler is an increasingly common sight in autumn, when migrants pass through the UK.

The black poplar is a large tree of floodplains, flooded gravel pits and ditches, particularly in England. Despite being an important part of our culture for centuries, it has declined massively…

As its name suggests, Himalayan balsam is from the Himalayas and was introduced here in 1839. It now an invasive weed of riverbanks and ditches, where it prevents native species from growing.