The dark bush-cricket, as its name suggests, is dark brown or reddish. It can be found in woodlands, hedgerows and gardens throughout summer. Its irregular chirpings are a familiar sound of summer…

The oak marble gall wasp produces brown, marble-shaped growths, or 'galls', on oak twigs. Inside the gall, the larvae of the wasp feed on the host tissues, but cause little damage.

The bill-shaped seed pods of Common Stork's-bill explode when ripe, sending the seeds flying! This low-growing plant has pretty pink flowers and can be seen on grasslands and coastal sands.…

This large, brown beetle can be seen swarming around streetlights in spring. They live underground as larvae for years and emerge as adults often in large numbers. Listen for their characteristic…

Traditionally a small finch of woodland and scrub, it appears that the redpoll is now moving into our gardens. It has a streaky brown body, red forehead and black bib, and mostly feeds on seeds.…

The sweet chestnut is famous for its shiny brown fruits, or 'chestnuts', that are wrapped in a spiky, green casing and make a tasty winter treat. Look for this tree in woodlands in south…

Mae’r pryf copyn tŷ cawraidd yn un o'n infertebrata cyflymaf ni, yn rhedeg hyd at hanner metr yr eiliad. Mae'r pryf copyn mawr, brown yma’n troelli gwe sy'n debyg i gynfasau ac yn…

This dainty white butterfly is now only found in a few parts of Britain, where it flutters slowly through woodland clearings.

A tall, broad tree of woodlands, roadsides and parks, the introduced horse chestnut is familiar to many of us the 'conker' producing tree - its shiny, brown seeds appearing in their…