Flitting about the house in summer, the gangly, brown daddy longlegs is familiar to many of us. They are a valuable food source for many birds.

Mae tylluanod brech yn dylluanod brown cyfarwydd yng nghoetiroedd, parciau a gerddi Prydain. Maent yn cael eu hadnabod am eu cân ‘tŵ-wit tŵ-hŵ’ sydd i’w chlywed yn ystod y nos.

This brown seaweed lives in the mid shore and looks a bit like bubble wrap with the distinctive air bladders that give it its name.

The oak bush-cricket is arboreal and can be found in mature trees in woods, hedges, parks and gardens in summer. Males don't have a 'song' as such, but drum on leaves with their…

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, found in towns, gardens and parks.

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.

Listen out for the 'chattering' song of the reed warbler, while wandering the UK's lowland wetlands in summer. A small, brown bird, they are quite hard to see.

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'.