A dark, stocky warbler, the Cetti's warbler is most likely to be heard, rather than seen - listen out for its bubbling song among willow, marsh and nettles.

When spotting the pintail in winter, look out for the fabulous, long tail feathers that characterise it. This dabbling duck feeds at the water's surface, rather than diving for food.

The grayling is one of our largest brown butterflies and a master of disguise - its cryptic colouring helps to camouflage it against bare earth and stones in its coastal habitats and on inland…

Mae sgrech y coed yn aelod lliwgar o deulu'r brain, gyda chlytiau adenydd glas gwych. Mae'n enwog am chwilio am fes mewn coetiroedd a pharciau hydrefol, gan eu storio yn aml ar gyfer y…

Y caws llyffant clasurol welwch chi mewn stori dylwyth teg ac mae’r ffwng coch a gwyn yma i'w ganfod yn aml o dan goed bedw yn yr hydref.

The lesser whitethroat is smaller than its cousin, the whitethroat, and sports dark cheek feathers that give it a 'mask'. Most likely to be heard around woodland and scrub, rather than…

The grey plover is similar to the golden plover, but as its name suggests, has a silver- and black-speckled back, rather than a gold one. It is only found at the coast and is mostly a winter…

Their long narrow shells are a common sight on our shores, especially after storms, but the animals themselves live buried in the sand.