So-named for its spear-like leaves, Lesser spearwort can be found along the edges of ponds, lakes and streams, and in marshes and wet meadows. As a buttercup, it displays familiar, butter-yellow…

The green sandpiper is a very rare breeding bird in the UK, and is mainly seen on migration in autumn. Look out for it feeding around marshes, flooded gravel pits and rivers. It even likes sewage…

Selfheal is a low-growing, creeping plant that likes the short turf of grasslands, roadside verges or even lawns. Its clusters of violet flowers appear in summer.

As its name suggests, the smooth stems of soft rush are thinner and more flexible than those of hard rush. It forms tufts in wetland habitats like wet woodlands, marshes, ditches and grasslands.…

Largely confined to the north of the UK, the rare pine marten is nocturnal and very hard to spot. However, it can be enticed to visit a peanut-laden birdtable.

A scrambling 'weed' of waste ground, fields and gardens, Common fumitory can be found on dry and disturbed soils. Its pink flowers appear over spring and summer.

The large, sunshine-yellow flowers of the yellow iris brighten up the margins of our waterways, ponds, wet woods, fens and marshes. Also called the 'flag iris', its outer petals have a…

A key species in the story of conservation, the avocet represents an amazing recovery of a bird once extinct in the UK. This pied bird, with its distinctive upturned bill, can now be seen on…

One of the most bizarre fish to find on the rocky shore, the clingfish appears an assortment of different animals stuck together!

The exotic and beautiful swallowtail is the UK's largest butterfly. A strong flier, residents can be spotted over wetlands in Norfolk during summer. Migrants occasionally appear in southern…