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’…

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

If you’ve ever been rockpooling, you’ve probably seen a limpet or two! Their cone-shaped shells clamp onto rocks until the tide comes in, at which point they become active. Limpets move around…

A low-growing plant of sand dunes, heaths and grassy places, Common centaury is in bloom over summer. Look for clusters of pretty, pink, five-petalled flowers.

You're more likely to see the attractive, brightly coloured caterpillars than the mullein moth itself.

The herring gull is the typical 'seagull' of our seaside resorts, though our coastal populations have declined in recent decades.

Bladder campion is so-called for the bladder-like bulge that sites just behind the five-petalled flower - this is actually the fused sepals. Look for it on grasslands, farmland and along hedgerows…

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