The ragworm is highly common on our shores, though rarely seen except by the fishermen that dig them up for bait.

This common hoverfly can be recognised by the dark markings behind its head, which often resemble the Batman logo.

The distinctive sight of a spoonbill is becoming increasingly common in the east and southwest of England, with colonies of breeding birds now established.

Despite its name, the great spider crab is actually smaller than the more common European spider crab.

As the name suggests, this beautiful brown butterfly is most common in Scotland, though it can also be seen in northern England.

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 well-camouflaged woodpecker used to be a common breeding bird in Britain, but is now only likely to be seen passing through on migration.