Fel mae ei enw'n awgrymu, mae’r goron borffor yn ffwng coch llachar, siâp cwpan. Mae'n eang ei ddosbarthiad, ond yn brin, a gellir ei ddarganfod ar frigau a changhennau sydd wedi syrthio…

Our only venomous snake, the shy adder can be spotted basking in the sunshine in woodland glades and on heathlands.

A plain-looking warbler, the garden warbler is a summer visitor to the UK. It is a shy bird and is most likely to be heard, rather than seen, in woodland and scrub habitats.

Have you ever stopped to look at the shape of a spider web? Garden spiders spin a spiral shaped web, perfect for catching lots of juicy prey!

An uncommon tree of wet woodlands, riverbanks and heathlands, alder buckthorn displays pale green flowers in spring, and red berries that turn purple in autumn.

The black darter is a black, narrow-bodied dragonfly that can be seen throughout summer and autumn. It is hovers around damp moors, heaths and bogs, darting out to surprise its prey.

Beavers are the engineers of the animal world, creating wetlands where wildlife can thrive. After a 400-year absence, beavers are back in Britain!

Our largest and most common bee-fly, the dark-edged bee-fly looks just like a bumblebee, and buzzes like one too! It feeds on flowers like primroses and violets in gardens, parks and woodlands.…

The alder fly is a blackish invertebrate, with delicately veined wings that it folds over its body like a tent. It can be found near ponds and slow-flowing rivers; the larvae living in the silt at…

Found in compost heaps and under stones in gardens, the flat-backed millipede is a common minibeast. It is an important recycler of nutrients, feeding on decaying matter.