Fat hen is a persistent 'weed' of fields and gardens, verges and hedgerows. But, like many of our weed species, it is a good food source for birds and insects.

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

This sea snail is abundant on rocky shores around the UK. It is an active predator, feasting on mussels and barnacles before retreating to crevices to rest.

Found on rocky shores and seabeds, the Keyhole limpet gets its name from the little hole at the tip of its shell.

Their long narrow shells are a common sight on our shores, especially after storms, but the animals themselves live buried in the sand.

The raven is famous for being the imposing, all-black bird that guards the Tower of London. Wild birds live in forests, and upland and coastal areas in the north and west of the UK.

This stunning hermit crab has only returned to our southern shores in recent years. Let us hope it stays for good this time!

The metallic-green Emerald damselfly can be seen from June to September around ponds, lakes, ditches and canals. Unlike other damselflies, it holds its wings half-open when perched.

A scarce tree of England and Wales, the Large-leaved lime is the rarest of our native limes. It is tall and broad, and can be found in forests and parks, where it is frequently planted.