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

The mountain hare lives in the Scottish Highlands and the north of England. They are renowned for turning white in winter to match their upland surroundings.

The porbeagle shark is a member of the shark family Lamnidae, making it one of the closest living relatives of the great white shark.

Despite its dazzling colouration, this fabulous nudibranch can be easily missed, due to its small size!

The umbrella-like clusters of white, frothy flowers of cow parsley are a familiar sight along roadsides, hedgerows and woodland edges.

This large shrike visits the UK in small numbers each year, passing through on migration or spending the winter here.

This small finch nests on moorlands and coastal crofts, spending the winter on the coast. The UK population has declined dramatically.

The brown hairstreak is an elusive butterfly that spends much of its time in the treetops feeding on aphid honeydew.

This small duck is an uncommon winter visitor to the UK, where they're usually found on lakes, reservoirs and gravel pits.

Look for the small, pink, pea-shaped flowers of Common restharrow on chalk and limestone grasslands, and in coastal areas, during summer.