Red squirrels are native to the UK but are a lot rarer than their grey cousins. They live in a few special places across the UK thanks to reintroduction projects.

The sand lizard is extremely rare due to the loss of its sandy heath and dune habitats. Reintroduction programmes have helped establish new populations.

The raven is famous for being the imposing, all-black bird that guards the Tower of London. Wild birds live in forests, and upland and coastal areas in the north and west of the UK.

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 hefty diving bird is a winter visitor to the UK, where it can be seen around the coast or occasionally on large inland lakes.

This well-camouflaged woodpecker used to be a common breeding bird in Britain, but is now only likely to be seen passing through on migration.

The sparrowhawk is a small bird of prey that can be found in all kinds of habitats and often visits gardens looking for its prey - small birds like finches, tits and sparrows.

The grey partridge is an attractive bird that prefers the ground to pear trees! Found on farmland and grassland, it is under threat from loss of habitat.

The nuthatch is a tit-sized, grey and rust-coloured bird that can be easily spotted climbing headfirst down tree trunks in woodlands and parks.