Despite its name, the great spider crab is actually smaller than the more common European spider crab.

Guillemots really know how to live life on the edge – quite literally! They nest tightly packed on steep ledges and cliffs around the coast. This may sound like a strange nesting spot, but it…

This large fern thrives in damp places.

The small white is a common garden visitor. It is smaller than the similar large white, and has less black on its wingtips.

A delicate wader, Red-necked phalaropes are as comfortable swimming as they are on land. Unusually for birds, the females are more brightly coloured than the males.

A common and stocky bird of our rocky coasts, the rock pipit can nearly always be seen close to the sea. It is a bit smaller than a starling.

An easily overlooked orchid, the Common twayblade is yellow-green and less showy than other UK orchids. Look for it in woodlands and grasslands on chalky soils, in particular.

A plain-looking warbler, the garden warbler is a summer visitor to the UK. It is a shy bird and is most likely to be heard, rather than seen, in woodland and scrub habitats.

Our smallest breeding seabird, the storm petrel is barely larger than a house martin! They mostly nest among rocks or in burrows on small offshore islands.

The bearded tit is an unmistakable cinnamon-coloured bird of reedbeds in the south, east and north-west of England. Males actually sport a black 'moustache', rather than a beard!