This dainty white butterfly is now only found in a few parts of Britain, where it flutters slowly through woodland clearings.

Found almost everywhere, the large yellow underwing is a night-flying moth that is often attracted to lights. It is brown with orangey-yellow hindwings.

This stocky wader is mostly a winter visitor to the UK, where it can be found on rocky, seaweed-covered coasts, often with groups of turnstones.

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

Field elm suffered declines due to the devastating effects of Dutch elm disease, but can still be found across much of the UK.

One of the longest seaweeds native to the UK, thongweed helps create a beautiful underwater forest to rival that of any on the land!