The thick topshell is a common sight on rocky shores in Wales and South West England.

Mae pathew y cyll yn greadur anodd ei weld – nid yn unig mae’n dod allan yn y nos, ond hefyd dim ond mewn ychydig iawn o lefydd yn y DU mae i’w weld. Mae pathewod yn treulio llawer o’u hamser yn…

Edible periwinkles are a common sight when rockpooling and can be found in huge numbers on the shore.

This charming little warbler is an increasingly common sight in autumn, when migrants pass through the UK.

The brown, oval flower heads of ribwort plantain balance on top of thin, wiry stems; the resulting seed heads provide food for birds in winter. Look for this 'weed' in lawns, fields and…

Yn enwog am fod yn greaduriaid cyfrwys a llechwraidd, mae’r cŵn oren i goch yma â’u cynffonnau blewog i’w gweld mewn trefi ac yng nghefn gwlad. Maen nhw’n dod allan yn ystod y nos gan fwyaf ond i’…

This small, white heron is an increasingly common sight in parts of the UK as it spreads north from continental Europe.

This pretty, speckled moth is now a rare sight, found only in a few parts of southern England.

The common mussel is a familiar sight on shores all around the UK and is a favourite food of people, seabirds and starfish alike.

Ydych chi wedi gweld blociau jeli coch tywyll erioed wrth archwilio pyllau creigiog? Y creaduriaid yma yw pysgod gleiniog yr anemoni! Maen nhw’n byw drwy lynu wrth greigiau bob cam o amgylch…

The umbrella-like clusters of white, frothy flowers of cow parsley are a familiar sight along roadsides, hedgerows and woodland edges.