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

This small duck is an uncommon winter visitor to the UK, where they're usually found on lakes, reservoirs and gravel pits.

Rare summer visitors, honey buzzards breed in open woodland where they feed on the nests and larvae of bees and wasps.

This hefty diving bird is a winter visitor to the UK, where it can be seen around the coast or occasionally on large inland lakes.

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

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.

Their empty, delicate pink or yellow shells can often be found washed up on beaches, but the animals themselves live buried in the sand all around the coasts of the UK.

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

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.

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