Despite its dazzling colouration, this fabulous nudibranch can be easily missed, due to its small size!

This wading bird is mainly a visitor on its spring and autumn migration, though a small number nest in Scotland.

The brown hairstreak is an elusive butterfly that spends much of its time in the treetops feeding on aphid honeydew.

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

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.