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…

As the UK’s tallest bird the common crane is instantly recognisable with the ruffle of tail feathers and very long legs. Their bugling call is also very distinctive.

This worm builds its own home out of bits of shell and sand. It can be spotted on the shore all around the UK.

Found in ponds and marshes, the fragile look of the common water-measurer belies its fierce nature. A predator of small insects, it uses the vibrations of the water's surface to locate its…

This wading bird is mainly a visitor on its spring and autumn migration, though a small number nest in Scotland.

A summer visitor to the UK, the red-tailed redstart is a robin-sized bird that can be spotted in woodlands, parks and hedgerows, mainly in the north and west of the UK.