Pignut is a small umbellifer, with edible tubers, that is found in woods, hedges and grasslands.

This large round urchin is sometimes found in rockpools, recognisable by its pink spiky shell (known as a test).

Look out for the black guillemot all year-round at scattered coastal sites in Scotland, England, Wales and the Isle of Man. It tends not to travel far between seasons, breeding and wintering in…

Often confused with the larger but similarly shaped lion’s mane jellyfish, the blue jellyfish can be colourless when young and develop a striking blue-purple bell as it matures.