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 pretty, speckled moth is now a rare sight, found only in a few parts of southern England.

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

The UK's largest native grasshopper is also one of its rarest, found only on wetlands in a few 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.

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