Mae glöyn byw y glesyn cyffredin yn driw i’w enw - mae'n las llachar ac i'w ganfod mewn pob math o gynefinoedd heulog, glaswelltog ledled y DU! Cadwch lygad amdano yn eich gardd hefyd.…

Cadwch lygad am y glöyn byw bychan, Glesyn y Celyn, yn eich gardd neu barc lleol. Dyma'r glöyn byw glas cyntaf i ymddangos yn y gwanwyn, ac mae ail genhedlaeth yn ymddangos yn yr haf. Mae…

The Parent bug lives up to its name. The female lays her eggs on a Silver birch leaf, watching over them until they hatch. She stays with the young until they are adults. Other shield bugs lay…

This yellow-brown seaweed grows in dense masses on the mid shore of sheltered rocky shores. It is identifiable by the egg-shaped air bladders that give it its name.

As its name suggests, the birch shieldbug can be found feeding on silver birch, and sometimes hazel, in mixed woodland. Adults hibernate over winter, emerging in spring to lay their eggs.

Considered to be an early sign of spring, the song of the cuckoo sounds the same as its name: ‘cuck-oo’. It can be heard in woodlands and grasslands. Cuckoos famously lay their eggs in the nests…