This unmistakeable moth, famous for its skull-shaped marking, is a rare visitor to the UK.

Often confused with the larger but similarly shaped lion’s mane jellyfish, the blue jellyfish can be colourless when young and develop a striking blue-purple bell as it matures.

One of the earliest moths to emerge each year, spending the winter as a pupa and flying from March to May.

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 charming little warbler is an increasingly common sight in autumn, when migrants pass through the UK.

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.

Mae'r rhywogaeth yma o siarc main a chain i'w gweld yn aml yn agos at y lan o amgylch ein harfordiroedd a gall dyfu i fod hyd at 6 troedfedd o hyd.