A sure sign that spring has arrived, the Cuckooflower blooms from April. Look out for its delicate, pale pink flowers in damp meadows and ditches, and on riverbanks.

The appearance of semi-circular holes in the leaves of your garden plants is a sure sign that the patchwork leaf-cutter bee has been at work. It is one of a number of leaf-cutter bee species…

A scarce but distinctive brown seaweed with curved, funnel-shaped fronds. It is a warmer water species at the northern edge of its range on the south coast of England.

Mae llygoden yr ŷd yn fach iawn - gall oedolyn bwyso cyn lleied â darn 2c! Mae'n ffafrio cynefinoedd gyda glaswellt tal, ond rydych chi'n fwy tebygol o weld ei nythod crwn, glaswelltog…

The scorpionfly, as its name suggests, has a curved 'tail' that looks like a sting. It is, in fact, the males' claspers for mating. It is yellow and black, with a long 'beak…

Mae’n cael ei hystyried fel arwydd cynnar o’r gwanwyn ac mae cân y gog, neu’r gwcw, yn swnio fel ei henw: ‘cwc-w’. Mae i’w chlywed mewn coetiroedd a glaswelltiroedd. Mae’r gog yn enwog am ddodwy…

Also known as 'Scorpion-grass' because of the curved 'tail' at the end of its stems, Water forget-me-not is a distinctive plant of damp habitats. Over summer, it produces…

Mae’r forwyn dywyll yn fursen hardd iawn! Mae’n cael ei chamgymryd yn aml am was y neidr ond mae’r rhywogaeth enfawr yma ym myd y mursennod yn anodd ei methu gyda’i lliwiau gwyrdd a glas metelaidd…