The rare heath fritillary was on the brink of extinction in the 1970s, but conservation action turned its fortunes around. It is still confined to a small number of sites in the south of England,…

The greater horseshoe bat was once a cave-dweller, but now tends to roost in old buildings, such as churches and barns. It is rare in the UK and, like many other bats, declining in number.

The lesser horseshoe bat was once a cave-dweller, but now tends to roost in old buildings, such as stables and barns. It is rare in the UK and, like many other bats, declining in number.

Familiar as the bristly plant that easily hooks on to our clothing as we walk through the countryside or do the gardening, cleavers uses its hooks to help it climb and to disperse its seeds.

A fierce predator of small fish and flying insects, the brown trout is widespread in our freshwater rivers. It is has a golden body, flanked with pale-ringed, dark spots.

The bar-tailed godwit winters in the UK in the thousands; look for it around estuaries like the Thames and Humber. In spring, the males display arresting breeding plumage, with brick-red heads,…

Weasels may look adorable, but they make light work of eating voles, mice and birds! They are related to otters and stoats, which is obvious thanks to their long slender bodies and short legs.

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

Eyebright has small, white flowers with purple veins and yellow centres. It likes short grasslands, from clifftops to heaths, and is one of a number of species and hybrids that are hard to tell…