A rare breeder in the UK, this sooty-coloured bird is as at home on an industrial site as it is on a rocky cliff face.

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 large green moth rests with its wings spread, so is sometimes mistaken for a butterfly.

This beautiful bumblebee favours upland areas, but has declined in recent decades and is now nationally scarce.

This shiny beetle is common in wooded areas throughout the UK. As the name suggests, it specialises in hunting snails.

Look for the small, pink, pea-shaped flowers of Common restharrow on chalk and limestone grasslands, and in coastal areas, during summer.

Considered Britain's most threatened butterfly, the high brown fritillary can be only be found in a few areas of England and Wales.

From grunts and groans, to 'purring' and 'piglet squealing', the water rail is more often heard than it is seen! This shy bird lives in reedbeds and wetlands, hiding among the…