The lightbulb sea squirt is common around much of the UK. Its easy to see where its name came from!

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

You're more likely to see the attractive, brightly coloured caterpillars than the mullein moth itself.

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.

Barnacles are so common on our rocky shores that you've probably never really noticed them. They're the little grey bumps covering the rocks that hurt your feet when you're…

The rare natterjack toad is found at just a few coastal locations, where it prefers shallow pools on sand dunes, heaths and marshes.

The beautiful pink and white bands of a Painted topshell make it easy to see where this little sea snail got its name!

These little critters are related to the woodlice you find in your garden and play a very important role on rocky shores.

The noble chafer is a rare and beautiful metallic-green beetle that can be found in traditional orchards. It is on the wing over summer, feeding on umbellifers. The larvae live in the decaying…

The river lamprey is a primitive, jawless fish, with a round, sucker-mouth which it uses to attach to other fish to feed from them. Adults live in the sea and return to freshwater to spawn.