With a silvery body, and purple, pink and bluish streaks down its flanks, the rainbow trout lives up to its name. Popular with anglers, it is actually an introduced species in the UK.

The Great diving beetle is a large and voracious predator of ponds and slow-moving waterways. Blackish-green in colour, it can be spotted coming to the surface to replenish the air supply it…

Wavy hair-grass lives up to its name: its fine, hair-like leaves and delicate flower heads can be seen shaking in the breeze of a windswept moorland or heathland.

Swifts spend most of their lives flying – even sleeping, eating and drinking – only ever landing to nest. They like to nest in older buildings in small holes in roof spaces.

The brown long-eared bat certainly lives up to its name: its ears are nearly as long as its body! Look out for it feeding along hedgerows, and in gardens and woodland.

Mae sgrech y coed yn aelod lliwgar o deulu'r brain, gyda chlytiau adenydd glas gwych. Mae'n enwog am chwilio am fes mewn coetiroedd a pharciau hydrefol, gan eu storio yn aml ar gyfer y…

Y caws llyffant clasurol welwch chi mewn stori dylwyth teg ac mae’r ffwng coch a gwyn yma i'w ganfod yn aml o dan goed bedw yn yr hydref.

The jay is a colourful member of the crow family, with brilliant blue wing patches. It is famous for searching out acorns in autumnal woodlands and parks, often storing them for the winter ahead…

The common blue butterfly lives up to its name - it's bright blue and found in all kinds of sunny, grassy habitats throughout the UK! Look out for it in your garden, too.