Their empty, delicate pink or yellow shells can often be found washed up on beaches, but the animals themselves live buried in the sand all around the coasts of the UK.

A spindly tree of heathland and moorlands, and dry and sandy soils, the Silver birch is well known for its paper-thin, white bark. It is a great coloniser and can quickly spread in an area.

A scrambling 'weed' of waste ground, fields and gardens, Common fumitory can be found on dry and disturbed soils. Its pink flowers appear over spring and summer.

The song thrush is a familiar garden visitor that has a beautiful and loud song. The broken shells of their blue, spotty eggs can often be found under a hedge in spring.

Despite its name, Common knotgrass is not a grass, but is actually related to the docks. It has wiry stems that grow along the ground, and is a weed of waste ground, gardens and arable fields.

The lesser-black backed gull can be spotted around the coast in summer, with the biggest colony on Walney Island, Cumbria. Look for it over fields, landfill sites and reservoirs during winter.

Once considered a weed of cornfields, the Scarlet pimpernel is now in decline due to intensive agricultural practices. It can be found in arable fields, on roadside verges and waste ground, and on…

Despite its name, the common gull is not as common as some of our other gulls. It can be spotted breeding at the coast, but is also partial to sports fields, landfill sites and housing estates in…

The brown, oval flower heads of ribwort plantain balance on top of thin, wiry stems; the resulting seed heads provide food for birds in winter. Look for this 'weed' in lawns, fields and…

A spindly tree of heathland and moorlands, and damp soils, the Downy birch is well known for its paper-thin, white bark. It is so-called for the hairy stalks from which its leaves grow; the Silver…

The St Mark's fly is small, black and shiny. It is so-called because it emerges around St Mark's Day, April 25th. Large numbers of adults can be found in woodland edges, hedgerows,…

From spring, look out for the beautiful, speckled gold-and-black breeding plumage of the golden plover. It can be found in its upland moorland breeding grounds from May to September, moving to…