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…

Yarrow can be found in many grasslands, from lawns to meadows, its flat-topped clusters of flower heads appearing from June. Cultivated varieties are garden favourites.

Mae’n hawdd gweld o ble mae’r glöyn byw yma’n cael ei enw – mae gan y gwrywod flaen oren llachar ar eu hadenydd! Mae posib eu gweld o’r gwanwyn drwodd i’r haf mewn dolydd, coetiroedd a gwrychoedd…

The small, yellow flowers and woolly appearance of kidney vetch make this plant easy to spot. Look for it growing low to the ground on sand dunes, chalk grasslands and cliffs in summer.

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…

Despite appearances, this weird and wonderful creature is not a jellyfish! They're sometimes found washed up on our shores after westerly winds. Look but don't touch - they give a very…

Despite appearances, the slow worm is actually a legless lizard, not a worm or a snake! Look out for it basking in the sun on heathlands and grasslands, or even in the garden, where it favours…

So-named for the silvery-white appearance of its leaves, the White willow can be seen along riverbanks, around lakes and in wet woodlands. Like other willows, it produces catkins in spring.

Mae’n hawdd gweld o ble mae’r slefren fôr cwmpawd wedi cael ei henw – mae ei marciau brown yn edrych yn union fel cwmpawd! Er ei bod yn edrych yn hardd – mae ei brath yn gas, felly cadwch eich…

The common red soldier beetle is also known as the 'bloodsucker' for its striking red appearance, but it is harmless. It is a beneficial garden insect as the adults eat aphids, and the…

A tall, broad tree of woodlands, roadsides and parks, the introduced horse chestnut is familiar to many of us the 'conker' producing tree - its shiny, brown seeds appearing in their…

The stinkhorn has an unmistakeable and intense stench that has been likened to rotting meat. Its appearance is also very distinctive: a phallic, white, stem-like structure, with a brown, bell-…