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

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

One of the UK’s rarest marine species, this giant of the rocky shore is a very special fish.

The rare natterjack toad is found at just a few coastal locations, where it prefers shallow pools on sand dunes, heaths and marshes.

This well-camouflaged woodpecker used to be a common breeding bird in Britain, but is now only likely to be seen passing through on migration.

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

The brown argus favours open, chalk and limestone grasslands, but can also be spotted on coastal dunes, in woodland clearings and along disused railways.