This wading bird is mainly a visitor on its spring and autumn migration, though a small number nest in Scotland.

This large shrike visits the UK in small numbers each year, passing through on migration or spending the winter here.

This small finch nests on moorlands and coastal crofts, spending the winter on the coast. The UK population has declined dramatically.

This small duck is an uncommon winter visitor to the UK, where they're usually found on lakes, reservoirs and gravel pits.

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

Look for the small, pink, pea-shaped flowers of Common restharrow on chalk and limestone grasslands, and in coastal areas, during summer.

Enchanter's nightshade is a hairy plant, with rounded leaves that taper to a fine tip, and clusters of small, pinky-white flowers in summer.

A small colourful sea slug that can be found grazing on sea mats on the rocky shore and beyond the low water mark.

Considered Britain's most threatened butterfly, the high brown fritillary can be only be found in a few areas of England and Wales.

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

Herb-robert is a low-growing plant, with small, pretty, pink flowers. Look for it in shady spots in woodland, hedgerows and coastal areas.