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 comma has distinctively ragged wing edges, which help to camouflage it - at rest, it looks just like a dead leaf! It prefers woodland edges, but can be spotted feeding on fallen fruit in…

The lesser stag beetle may be smaller than its famous cousin, but it is still a large beetle with large jaws. It can be seen in woods, parks and hedgerows during summer, and depends on dead wood…

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.

Their empty, delicate pink or yellow shells can often be found washed up on beaches, but the animals themselves live buried in the sand all around the coasts of the UK.

Guillemots really know how to live life on the edge – quite literally! They nest tightly packed on steep ledges and cliffs around the coast. This may sound like a strange nesting spot, but it…

The noble chafer is a rare and beautiful metallic-green beetle that can be found in traditional orchards. It is on the wing over summer, feeding on umbellifers. The larvae live in the decaying…

The river lamprey is a primitive, jawless fish, with a round, sucker-mouth which it uses to attach to other fish to feed from them. Adults live in the sea and return to freshwater to spawn.