This beautiful butterfly is one of our rarest, now mostly restricted to the western parts of the UK.

This dazzling dragonfly can be seen darting above tree-lined ponds in certain parts of Britain.

This is a predominantly subtidal species but can be found on the lowest parts of a sheltered rocky shore in summer.

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

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

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

Known for its bandit-like appearance, the polecat was once so persecuted it was on the brink of extinction in the UK. Thankfully, numbers are now increasing in rural Wales and parts of England.…

A breeding bird of fast-flowing, upland rivers, the grey wagtail can also be seen in lowland areas, farmyards and even towns in winter.

The common octopus is a highly intelligent, active predator. It even has a secret weapon - special glands produce a venom that it uses to incapacitate its prey!

Selfheal is a low-growing, creeping plant that likes the short turf of grasslands, roadside verges or even lawns. Its clusters of violet flowers appear in summer.