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 starling is a familiar garden visitor that has a beautiful purple-and-green sheen to its black feathers. It is famous for its wintry aerial displays - massive flocks can be seen wheeling over…

Have you ever seen those worm-like mounds on beaches? Those are a sign of lugworms! The worms themselves are very rarely seen except by fishermen who dig them up for bait.

Listen out for the 'drumming' sound of a male snipe as it performs its aerial courtship display. It's not a call, but actually its tail feathers beating in the wind. Snipe live on…

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

The beautiful barn owl is, perhaps, our most-loved owl. With its distinctive heart-shaped face, pure white feathers and ghostly silent flight, it's easy to identify. Look out for it flying…

The large white is a common garden visitor - look out for its brilliant white wings, tipped with black.

Red squirrels are native to the UK but are a lot rarer than their grey cousins. They live in a few special places across the UK thanks to reintroduction projects.

Cuttlefish are related to squids and octopuses – a group of molluscs known as cephalopods. You may have seen the chalky internal shell, called a cuttlebone washed up on beaches around the UK.…