This dazzling dragonfly, also known as the blue-eyed hawker, is a recent arrival to Britain.

Yellow corydalis is a familiar 'weed' of gardens, walls and rocky places. It is a garden escapee in the UK, so is not a native plant. Try choosing natives for your garden to prevent…

This sponge is found on rocky shores around the UK and looks like a thick bready crust (if you use your imagination a bit!).

This beautiful bumblebee favours upland areas, but has declined in recent decades and is now nationally scarce.

This glossy wading bird is a scarce visitor to the UK, though records have become more common in recent decades.