This slim fish is usually found on gravelly parts of the seabed, close to shore, but can turn up in rockpools.

Our only venomous snake, the shy adder can be spotted basking in the sunshine in woodland glades and on heathlands.

Despite its dazzling colouration, this fabulous nudibranch can be easily missed, due to its small size!

The pungent, rotten smell of Black Horehound makes this medium-sized plant of waste ground and roadside verges stand out from the crowd.

The unpleasant, astringent smell of Hedge woundwort makes this medium-sized plant of woodlands, hedgerows and roadside verges stand out from the crowd.

This well-camouflaged wader is a winter visitor to the UK, where it can be seen feeding on wetlands with a distinctive bobbing motion.

The all-black carrion crow does not nest in colonies like the similar rook. It can be seen almost everywhere.

The fine, downcurved bill of the treecreeper makes this tit-sized bird unmistakeable. Look out for it in woodlands and parks, literally 'creeping' around tree trunks.

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

As the name suggests, this beautiful brown butterfly is most common in Scotland, though it can also be seen in northern England.