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

One of 2 seahorses found in UK seas, long snouted seahorses are recognisable by their longer snout and fleshy "mane".

This slim fish is usually found on gravelly parts of the seabed, close to shore, but can turn up in rockpools.

Sea lettuce is unmistakeable - most often a bright green and always translucent, it is found on all UK coasts.

One of 2 seahorses found in UK seas, short snouted seahorses are recognisable by their shorter snout - surprisingly enough!

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

The classic fairy tale toadstool, this red and white fungus is often found beneath birch trees in autumn.

The black poplar is a large tree of floodplains, flooded gravel pits and ditches, particularly in England. Despite being an important part of our culture for centuries, it has declined massively…

Hornwrack is often found washed up on our beaches, with many believing that it is dried seaweed. In fact, it is a colony of animals!

This distinctive lark is a passage migrant and winter visitor to the UK, most often found along the east coast of Britain.

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