This charming little warbler is an increasingly common sight in autumn, when migrants pass through the UK.

A well known inhabitant of UK seas, common lobsters can reach up to 60cm in length.

This small, white heron is an increasingly common sight in parts of the UK as it spreads north from continental Europe.

The variable damselfly looks a lot like the azure damselfly, but is much less common throughout most of the UK.

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

The common mussel is a familiar sight on shores all around the UK and is a favourite food of people, seabirds and starfish alike.

The ragworm is highly common on our shores, though rarely seen except by the fishermen that dig them up for bait.

This common hoverfly can be recognised by the dark markings behind its head, which often resemble the Batman logo.

Despite its name, the great spider crab is actually smaller than the more common European spider crab.

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

One of 2 seahorses found in UK seas, short snouted seahorses are recognisable by their shorter snout - surprisingly enough!