Mae’r dyfrgi hyblyg yn nofiwr ardderchog a gellir ei weld yn hela mewn gwlybdiroedd ac afonydd ac ar hyd yr arfordir – rhowch gynnig ar arfordir gorllewinol yr Alban, Gorllewin Cymru, y West…

The easiest way to find out if the nocturnal and well-camouflaged nightjar is about is to listen out for its distinctive 'churring' call at dusk. A summer visitor, it is most numerous in…

This large burrowing bivalve is found on sandy seabeds around much of the UK. It is the longest-lived animal known to man, with one individual found to be 507 years old!

The raven is famous for being the imposing, all-black bird that guards the Tower of London. Wild birds live in forests, and upland and coastal areas in the north and west of the UK.

The speckled wood prefers the dappled sunlight of woodland rides and edges, hedgerows and even gardens. Despite declines, its range has spread over recent years.

The stiff, spiky and upright leaves and brown flowers of hard rush are a familiar sight of wetlands, riversides, dune slacks and marshes across England and Wales.