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

This streaky brown bird is a winter visitor, occasionally found walking around the muddy margins of marshes.

Found in ponds and marshes, the fragile look of the common water-measurer belies its fierce nature. A predator of small insects, it uses the vibrations of the water's surface to locate its…

This dashing diving duck is a winter visitor to the UK's seas, coastal lakes and occasionally inland water bodies.

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

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.

The eel is famous for both its slippery nature and its mammoth migration from its freshwater home to the Sargasso Sea where it breeds. It has suffered dramatic declines and is a protected species…

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

The pink-footed goose is a winter visitor to the UK, feeding on our wetland and farmland habitats. About 360,000 individuals spend the winter here, making it a really important destination for…