Mae'r rhywogaeth yma o forwellt yn fath o blanhigyn blodeuol sy'n byw o dan y môr, gan ddarparu cynefin pwysig i lawer o rywogaethau prin a rhyfeddol.

Ydych chi wedi gweld y twmpathau tebyg i bryfed genwair yma erioed ar draethau? Arwyddion o lyngyr y traeth yw’r rhain! Nid yw’r llyngyr eu hunain i’w gweld byth bron, ac eithrio gan bysgotwyr sy’…

This black and grey solitary bee takes to the wing in spring, when it can be seen buzzing around burrows in open ground.

This tiny wading bird is most often seen in autumn, feeding on the muddy margins of wetlands.

This streaky brown bird is a winter visitor, occasionally found walking around the muddy margins of marshes.

Gwaith gwahaddod yw’r sypiau brown o ddaear sy’n gallu addurno lawnt. Mae’r mamal brown, byrdew yma’n treulio ei oes yn creu tyllau o dan y ddaear gyda phawennau siâp rhaw, yn hela am bryfed…

A fleshy herb of the wet margins of brooks, streams and ditches, Brooklime can be seen all year-round and provides shelter for tadpoles and sticklebacks.

Water figwort is a tall plant of riverbanks, pond margins, damp meadows and wet woodlands. Its maroon flowers are pollinated by the Common wasp.

The delicate, tube-like, violet-blue flowers of Skullcap bloom from June to September in damp places, such as marshes, fens, riverbanks and pond margins.