One week on the rio negro

Influence: noun; the capacity to have an effect on the character, development or behaviour of someone or something, or the effect itself

Peter Marriott shares one of his new projects, which aims to capture a tiny slice of this famous route.

Ceri Thomas heads to the island of Hoy in the Orkneys and is blown away by the coastal sea trout fishing – one of Scotland’s best kept sea angling secrets

Many birds have fabulous plumage to attract mates or send warning messages. Some of the colours in their feathers are produced by microscopic structures on the feather surface that absorb and reflect

The best rare birds seen all around Britain in December