Ci glas
Mae'r rhywogaeth yma o siarc main a chain i'w gweld yn aml yn agos at y lan o amgylch ein harfordiroedd a gall dyfu i fod hyd at 6 troedfedd o hyd.
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Chwilio
Red squirrels
There are two species of squirrel in the UK; red squirrels and grey squirrels. Red squirrels are our native species and have lived in the UK for around 10,000 years, Grey squirrels were introduced to the UK from North America by the Victorians in the 1800s, the first record of them escaping and establishing a wild population is 1876.
Tansy
Tansy is an aromatic plant of rough grassland, riverbanks and verges that has button-like, yellow flower heads. It is the main foodplant of the rare Tansy Beetle, now found at only two places in…
Ci pigog
Mae'r siarc main yma’n cael ei enw o'r pigau o flaen ei asgell ddorsal. Gall ddefnyddio'r pigau yma i amddiffyn ei hun drwy gyrlio mewn bwa a tharo ysglyfaethwr.
Porbeagle shark
The porbeagle shark is a member of the shark family Lamnidae, making it one of the closest living relatives of the great white shark.
Wern Plemys
The nature reserve consists of three wildflower meadows and a large area of woodland. The nature reserve lies on the site of a former coal mine and is a wonderful example of how nature can reclaim…
Ivy bee
The ivy bee is a new arrival to the UK. First recorded here in 2001, it is slowly spreading north. It feeds mainly on the nectar of ivy flowers and can be seen in autumn when this plant is in…
Bronwen
Efallai bod bronwennod yn edrych yn hoffus ond maen nhw’n gallu bwyta llygod pengrwn, llygod ac adar mewn dim o dro! Maen nhw’n perthyn i ddyfrgwn a charlymod, sy’n amlwg o weld eu corff main, hir…
Chinese water deer
Chinese water deer are easily distinguished from other deer by their strange teddy bear like appearance and the huge canine tusks displayed by the stags.
Dead man's fingers
These gruesome sounding creatures are actually a type of coral! They get their name as they branch out into lobes as they grow - making them look like fingers on a hand.
How to create a hedgehog hole
Help hedgehogs get around by making holes and access points in fences and barriers to link up the gardens in your neighbourhood.
Llygod Pengrwn y Dŵr yn ffynnu ar Afon Ddawan – symbol o obaith i adferiad byd natur
Yn dilyn ailgyflwyno llwyddiannus i Afon Ddawan yr haf diwethaf, mae cadwraethwyr wedi rhyddhau 140 yn rhagor o Lygod Pengrwn y Dŵr i helpu i ddod â’r mamal sy'n dirywio gyflymaf yn y DU yn…