Mae noethdagellogion, sy’n cael eu hadnabod hefyd fel gwlithod môr, yn debyg iawn i’w perthnasau ar y tir a welwch chi yn eich gardd efallai. Ond, yn wahanol i wlithen yr ardd, mae’r noethdagellog…

A fierce predator of small fish and flying insects, the brown trout is widespread in our freshwater rivers. It is has a golden body, flanked with pale-ringed, dark spots.

Beautiful demoiselle’s are, well, beautiful! Often confused for a dragonfly, these giants of the damselfly world are hard to miss with their metallic blue and green colours.

Known in America as the 'Eared Grebe' because of its golden ear tufts, the black-necked grebe is a rare nesting bird in the UK. It is easiest to spot around southern coasts in winter.…

The drooping, tubular, pink flowers of Common comfrey are a familiar sight to many gardeners. Sometimes considered a 'weed', this hairy plant can be used as an organic fertiliser and a…

Meadow crane's-bill has striking violet flowers that pepper hay meadows, verges and grasslands with colour in summer. It is also a popular choice for gardeners and attracts a wide variety of…

The stately grass-of-parnassus displays pretty, white flowers with green stripes. Once widespread, it is now declining as its wetland habitats are disappearing.

Tall melilot was introduced into the UK as a fodder crop, but has now become naturalised. It displays golden, pea-like flowers on tall spikes, which are followed by black, hairy seed pods.

The grey plover is similar to the golden plover, but as its name suggests, has a silver- and black-speckled back, rather than a gold one. It is only found at the coast and is mostly a winter…

Dyma un o’n buchod coch cota mwyaf cyffredin ac mae’r marciau coch a du ar y fuwch goch gota saith smotyn yn gyfarwydd iawn. Mae buchod coch cota’n ffrindiau da i arddwyr gan eu bod yn bwyta…