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.

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