This striking duck was introduced to the UK and is now established as a breeding bird in England.

Look for Water avens in damp habitats, such as riversides, wet woodlands and wet meadows. It has nodding, purple-and-orange flowers that hang on delicate, purple stems.

Found around our coasts during the breeding season, the large Sandwich tern can be spotted diving into the sea for fish such as sandeels. It nests in colonies on sand and shingle beaches, and…

Although they might not look it, sea cucumbers like this one belong to the Echinoderm group and are therefore closely related to starfish and sea urchins

These distinctive beetles are often found around dead birds and small mammals.

Also known as the two-coloured mason bee, this beautiful bee is famous for nesting in old snail shells.

This black and grey solitary bee takes to the wing in spring, when it can be seen buzzing around burrows in open ground.

Shag' is a very old name that means 'tufted' and refers to the small crest that this bird sports. Look out for it in spring and summer either diving for fish from the surface of the…