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…

Guillemots really know how to live life on the edge – quite literally! They nest tightly packed on steep ledges and cliffs around the coast. This may sound like a strange nesting spot, but it…

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

This large, fluffy-looking moth is on the wing in July and August, but you might spot a caterpillar at almost any time of year.

This sponge is found on rocky shores around the UK and looks like a thick bready crust (if you use your imagination a bit!).

These moths can be seen flying on sunny days, but you're more likely to spot the fuzzy caterpillars crawling over paths.

Also known as the flat topshell, these are one of the most common and colourful sea snails you are likely to see when out on a rockpool safari!