An uncommon hedgerow and woodland tree of central and eastern England, Purging buckthorn displays yellow-green flowers in spring, and poisonous, black berries in autumn.

Dyma gewri byd y slefrod môr a’r creaduriaid anhygoel yma yw slefrod môr mwyaf y DU! Mae’r slefren yma’n gallu tyfu i faint clawr bin sbwriel – gan roi iddi ei henw cyffredin arall: slefren fôr…

Masters of disguise, this species exhibits one of the best examples of camouflage you will find on the seashore!

Musk mallow has pretty pink flowers that can be seen along roadside verges, hedgerows and field margins in summer. It lives up to its name, producing a delicate, musky smell that increases indoors…

The green sandpiper is a very rare breeding bird in the UK, and is mainly seen on migration in autumn. Look out for it feeding around marshes, flooded gravel pits and rivers. It even likes sewage…

The large, sunshine-yellow flowers of the yellow iris brighten up the margins of our waterways, ponds, wet woods, fens and marshes. Also called the 'flag iris', its outer petals have a…

Freshwater pearl mussels spend their adult lives anchored to the river bed, filtering water through their gills and improving the quality of the water for other species.

Efallai bod gan datws môr enw doniol ond maen nhw wedi addasu’n berffaith ar gyfer bywyd yn y tywod. Math o fôr-ddraenogod yw tatws môr, sy’n byw mewn twll yn y tywod, gan fwydo ar anifeiliaid a…

Mae'r morgi brych yn ysglyfaethwr nosol, yn hela pysgod llai yn agos at wely'r môr.