Parsley fern lives up to its name - the pale green fronds form in clusters among rocks and look just like parsley. Look out for it in upland areas, particularly in Wales and Cumbria.

It's easy to see where the compass jellyfish got its name – its brown markings look just like a compass! They may look beautiful – but they give a nasty sting so keep your distance.

Look out for this large, leafy lichen on trees in ancient woodlands in the west of the UK.

Not to be confused with the ‘jewel anemone’ which resides in deeper waters, the gem anemone is just as wonderful a find on the rocky shore!

The water stick insect looks just like a mantis. An underwater predator, it uses its front legs to catch its prey. Its tail acts as a kind of 'snorkel', so it can breathe in the water.…

This seagrass species is a kind of flowering plant that lives beneath the sea, providing an important habitat for many rare and wonderful species.

Stone curlews are unusual waders with large yellow eyes - perfect for hunting beetles at night.

Look out for this weevil on oak trees, where females lay their eggs inside acorns.

This large starfish looks just like the sun, with 10-12 arms spreading outwards like rays.

This colonial creature looks like an old-fashioned quill - that's where the name sea pen comes from.

The variable damselfly looks a lot like the azure damselfly, but is much less common throughout most of the UK.