Mae’r malwod môr bach yma i’w canfod ymhlith y gwymon ar lannau creigiog o amgylch llawer o’r DU. Maent yn llawer o wahanol liwiau, o felyn llachar i frown brith!

A breeding bird of fast-flowing, upland rivers, the grey wagtail can also be seen in lowland areas, farmyards and even towns in winter.

Mae tylluanod brech yn dylluanod brown cyfarwydd yng nghoetiroedd, parciau a gerddi Prydain. Maent yn cael eu hadnabod am eu cân ‘tŵ-wit tŵ-hŵ’ sydd i’w chlywed yn ystod y nos.

The raven is famous for being the imposing, all-black bird that guards the Tower of London. Wild birds live in forests, and upland and coastal areas in the north and west of the UK.

Yr wylan gefnddu fwyaf yw’r wylan fwyaf yn y byd! Oherwydd ei maint, ychydig o ysglyfaethwyr sy’n ceisio ymosod arni, ond gall fod yn fyrbryd blasus o dro i dro i eryrod cynffon gwyn, siarcod a…

Sea potatoes may have a funny name, but they are perfectly adapted for life in the sand. They are a type of sea urchin that live in a burrow in the sand, feeding on dead animals and plants using…

A large hawker, the Common Hawker can be seen throughout the summer and into autumn. A fast-flying insect, it catches its prey mid-air. Look for it around ponds in the uplands of the north and…