Winter is a great time for stargazing. Long dark nights are perfect for spying constellations, planets and even the odd satellite. But you can also find a satellite much closer to home. This one’s ...

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. The great northern diver is a large water bird, which is mostly a ...

The White-clawed crayfish is a freshwater, bronze-coloured crustacean with pale undersides to its claws - hence the name. It is under threat from an invasive and introduced species of crayfish.

Look out for the Daubenton's bat foraging over wetlands across the UK at twilight. Its flight is fast and agile as it skims the water's surface for insect-prey. Protected in the UK under the Wildlife ...

The common name of the bloody-nosed beetle derives from its unusual defence mechanism: when threatened, it secretes a distasteful blood-red liquid from its mouth. This flightless beetle can be found ...

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 ...

The common green lacewing is a lime green, delicate insect, with translucent, intricately veined wings. It is common in gardens and parks, where it helps to control aphid pests. There are 14 species ...

Egyptian geese were introduced to Britain from Africa. They are now widespread in southern England. Egyptian geese aren't true geese, they're members of the shelduck sub-family, Tadorninae. They are ...

The white-letter hairstreak gets its name from the white lines that form a 'W' shape on its underside. It is an elusive butterfly, spending much of its time in the treetops. Protected in the UK under ...

Wet woodlands in the UK can be wild, secretive places. Tangles of trailing creepers, tussocky sedges and lush tall-herbs conceal swampy pools and partially submerged fallen willow trunks, likely to ...

Reed sweet-grass is a towering grass with large, loose flower heads that can be found on marshy ground near rivers, streams and ponds. It can become invasive, but does shelter various aquatic ...