The gadwall is a dabbling duck, feeding at the surface of shallow water by 'upending' - putting its head down and its bottom up! Only a small number of gadwall nest in the UK, but large…

This unmistakable moth spends the winter as an adult, tucked away in a sheltered spot like a cave or outbuilding.

This huge gull can be seen around most of the UK's coasts in summer, with some venturing inland in winter.

The turtle dove is the UK's fastest declining bird species and is on the brink of extinction. A small and pretty pigeon, it breeds in lowland England and winters in Sub-Saharan Africa.

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

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

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.

The mountain hare lives in the Scottish Highlands and the north of England. They are renowned for turning white in winter to match their upland surroundings.

Did you know that there are coral reefs in the UK? UK seas are home to some amazing cold-water corals that form reefs on the seabed over 400m deep.

The once-common pochard is now under threat because its populations are declining rapidly. The UK is an important winter destination for the pochard, with 48,000 birds visiting our wetlands and…