The bright green ring-necked parakeet is an escapee and our only naturalised parrot; its success is likely due to warmer winters.

The English oak is, perhaps, our most iconic tree: the one that almost every child and adult alike could draw the lobed leaf of, or describe the acorn fruits of. A widespread tree, it is prized…

A handsome gamebird, the pheasant is an introduced species that has settled here with little problem. It can be spotted in its farmland and woodland habitats, although you'll probably hear…

The purple hairstreak is an elusive butterfly with a brilliant purple sheen. It is entirely reliant on oak trees and can be spotted chasing around the treetops in woodlands and parks.

An inconspicuous tree for much of the year, the field maple comes to life in autumn when its lobed leaves turn golden-yellow and its winged fruits disperse in the wind. Look for it in hedges and…

The Early purple orchid is one of the first orchids to pop up in spring. Look for its pinkish-purple flowers from April, when bluebells still carpet our woodland floors. Its leaves are dark green…

Freshwater pearl mussels spend their adult lives nestled in the river bed of fast flowing, rocky streams, filter feeding the water.

Mae llygoden bengron y dŵr dan fygythiad difrifol oherwydd colli cynefin ac ysglyfaethu gan y minc Americanaidd. Ar hyd ein dyfrffyrdd ni, mae'n edrych yn debyg i'r llygoden fawr frown,…