This small, round sea urchin is (unsurprisingly!) green in colour and can be found on rocky shores around the UK.

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 common mussel is a familiar sight on shores all around the UK and is a favourite food of people, seabirds and starfish alike.

The ragworm is highly common on our shores, though rarely seen except by the fishermen that dig them up for bait.

Ever noticed lots of little white spirals on seaweed fronds on rocky shores? These are tiny tube worms!

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.

Common mouse-ear is a persistent 'weed' of fields and gardens, verges and hedgerows - all kinds of habitats. But, like many of our weed species, it is still a good food source for…

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.