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!

The Bird's-nest orchid gets its name from its nest-like tangle of roots. Unlike other green plants, it doesn’t get its energy from sunlight. Instead, it grows as a parasite on tree roots, so…

The courtship of the marsh harrier is certainly a sight to behold - wheeling and tumbling through the sky, male and female partners lock talons in mid-air. Look out for this rare bird over…

The Atlantic salmon spends most of its life at sea, but makes an epic journey back to the river or stream in which it hatched to spawn. Look out for it in freshwater rivers in the north and west…

The black-and-white barnacle goose flies here for the 'warmer' winter from Greenland and Svalbard. This epic journey was once a mystery to people, who thought it hatched from the goose…

Pushing its way up through the cracks in pavements, the straw-coloured flower spikes of greater plantain or 'broadleaf plantain' are a familiar sight. This 'weed' also pops up…

Mae gwenyn meirch yn gyfarwydd iawn ond er hynny, dydyn nhw ddim yn boblogaidd iawn! Ond rhowch siawns i’r ffrindiau du a melyn yma, oherwydd maen nhw’n beillwyr pwysig a hefyd yn dda iawn am…

Did you know your seaside scampi was actually a kind of lobster? Traditionally so - although the scampi that is often eaten with chips can be anything from prawns to fish.

Mae’r ysgwydd felen yn ffwng ysgwydd lliw melyn sylffwr ar goed mewn coedwigoedd, parciau a gerddi. Mae i'w ganfod yn aml mewn clystyrau haenog ar dderw, ond mae hefyd yn hoffi ffawydd,…

This dazzling moss grows in dark places, catching any faint light to glow a golden-green.

This grass-green seaweed is sometimes known as Grass Kelp and grows on pretty much every shore in the UK.