The spiked shieldbug has fearsome shoulder projections or 'spikes' and a predatory nature. This brown bug feeds on caterpillars and other insects in woodlands and on heathlands.

A scarce but distinctive brown seaweed with curved, funnel-shaped fronds. It is a warmer water species at the northern edge of its range on the south coast of England.

A streaky brown bird, the reed bunting can be found in wetlands, reedbeds and on farmland across the UK. Males sport black heads and a white 'moustache'.

The common walnut tree produces a large, brown nut that is familiar to so many of us. It is an introduced species in the UK, and can be seen in towns, gardens and parks.

Tawny owls are the familiar brown owls of Britain’s woodlands, parks and gardens. They are known for their ‘too-wit too-woo’ song that can be heard at night-time.

The stiff, spiky and upright leaves and brown flowers of hard rush are a familiar sight of wetlands, riversides, dune slacks and marshes across England and Wales.

The small heath is the smallest of our brown butterflies and has a fluttering flight. It favours heathlands, as its name suggests, as well as other sunny habitats.

The St Mark's fly is small, black and shiny. It is so-called because it emerges around St Mark's Day, April 25th. Large numbers of adults can be found in woodland edges, hedgerows,…