Ever spotted a honeycomb-like mound on the beach and wondered what it was? It's a reef built entirely by worms!

The all-black rook is a sociable bird, so can be spotted in flocks or nesting colonies, known as 'rookeries'. Unlike the similar carrion crow, it has a grey bill and 'baggy trouser…

The eider is a large seaduck, famed for its soft, downy feathers that are not only used by the bird to line and insulate its nest, but also by humans to stuff our quilts and pillows. It nests…

The large, plump woodpigeon is a familiar sight in our gardens and parks, but can also be found on farmland and in woodlands almost everywhere. You may hear its cooing call before you see the bird…

Risso’s dolphins are mysterious creatures usually only found in deep, offshore waters.

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

The sea hare looks like a sea slug – but in fact has an internal shell. They can be up to 20cm long but are usually much shorter.

These large rocky shore fish look like they belong in deeper waters, but they are the find of the day for any rockpooler!

The shanny is a common sight in rockpools all around the UK. They are feisty little fish and have been known to bite when caught, so watch your fingers!