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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Water vole by Terry Whittaker/2020VISION
Chwilio
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.
The Wonder of Trees
Wildlife Watcher Olivia shares her knowledge of trees and why we should all help look after them.
How to keep a nature diary
Do you love wildlife? Would you like to learn how to draw the things you see? John tells you how to get started with your own nature diary, and shares some of the wildlife that he loves to draw.…
Cattle egret
This small, white heron is an increasingly common sight in parts of the UK as it spreads north from continental Europe.
Painted goby
This slim fish is usually found on gravelly parts of the seabed, close to shore, but can turn up in rockpools.
Common octopus
The common octopus is a highly intelligent, active predator. It even has a secret weapon - special glands produce a venom that it uses to incapacitate its prey!
Marsh helleborine
The Marsh helleborine is a beautiful orchid of fens, wet grassland and dune slacks. Growing in profusion in places, look for reddish stems and white-and-pink flowers.
Red squirrel
Red squirrels are native to the UK but are a lot rarer than their grey cousins. They live in a few special places across the UK thanks to reintroduction projects.
How to build a hedgehog home
By providing safe places for hedgehogs to live, you’re much more likely to see these prickly creatures in your garden.
Large marsh grasshopper
The UK's largest native grasshopper is also one of its rarest, found only on wetlands in a few parts of England.
My rainbow maker
Sarah lives in a beautiful part of Radnorshire and wants to share her magical, mossy waterfall with everyone. Sometimes when the light shines through the spray a rainbow is born. She has a jar…