Once a rare visitor to the UK, this striking gull is now found nesting here in large colonies.

This bog-loving butterfly is mostly found in the north of the UK, where it takes to the wing in summer.

Nudibranchs, also known as sea slugs, are much like their land-based relatives that you may spot in your garden. But, unlike your regular garden slug, the nudibranch can incorporate the stinging…

The large white is a common garden visitor - look out for its brilliant white wings, tipped with black.

This well-camouflaged wader is a winter visitor to the UK, where it can be seen feeding on wetlands with a distinctive bobbing motion.

This elegant wading bird is a rare visitor to the UK, though occasionally one or two of pairs will nest here.

This glossy wading bird is a scarce visitor to the UK, though records have become more common in recent decades.

This distinctive lark is a passage migrant and winter visitor to the UK, most often found along the east coast of Britain.