Pignut is a small umbellifer, with edible tubers, that is found in woods, hedges and grasslands.

Often found carpeting damp grassland and woodland clearings, the blue flower spikes of bugle are very recognisable. A short, creeping plant, it spreads using runners.

Famed for its tapping in the middle of the night, supposedly heralding tragedy, the Deathwatch beetle is a serious wood-boring pest. In houses, their tunnelling can cause major damage.

The pretty Deptford pink is a very rare flower that is very vulnerable to the loss of our traditional grassland and farmland habitats. It can only be found in a few places in England and Wales.…

The silverfish is so-named for its fish-like way of moving and its silvery scales. It can be found in the damp corners of the house, such as the kitchen or bathroom. Infestations can cause serious…

As its name suggests, Silverweed has silvery leaves with toothed edges. It can be found in grassy places, along roadsides and on waste ground - look for yellow, saucer-shaped flowers and red…

The giant house spider is one of our fastest invertebrates, running up to half a metre per second. This large, brown spider spins sheet-like cobwebs and pops up in the dark corners of houses,…

The mountain hare lives in the Scottish Highlands and the north of England. They are renowned for turning white in winter to match their upland surroundings.

The ptarmigan is a master of disguise - matching its Highland surroundings perfectly by turning snow-white in winter and rock-grey in summer. It is confined to the mountains of Scotland, so is…

Our most familiar fern, bracken can be found growing in dense stands on hillsides, moorland, heathland and in woodlands. It is very large and dies back in winter, turning the landscape orangey-…

The knopper gall wasp produces knobbly red, turning to brown, growths, or 'galls', on the acorns of Pedunculate Oak. Inside the gall, the larvae of the wasp feed on the host tissues, but…

The Yew is a well-known tree of churchyards, but also grows wild on chalky soils. Yew trees can live for hundreds of years, turning into a maze of hollow wood and fallen trunks beneath dense…