With a silvery body, and purple, pink and bluish streaks down its flanks, the rainbow trout lives up to its name. Popular with anglers, it is actually an introduced species in the UK.

From grunts and groans, to 'purring' and 'piglet squealing', the water rail is more often heard than it is seen! This shy bird lives in reedbeds and wetlands, hiding among the…

The wigeon is a colourful duck that can often be spotted wheeling round our winter skies in large flocks. A dabbling duck, it surface-feeds on plants and seeds in shallow waters.

The willow tit lives in wet woodland and willow carr in England, Wales and southern Scotland. It is very similar to the marsh tit, but has a distinctive pale panel on its wings.

Chinese water deer are easily distinguished from other deer by their strange teddy bear like appearance and the huge canine tusks displayed by the stags.

The Bechstein's bat is a very rare bat that lives in woodland and roosts in old woodpecker holes or tree crevices. Like other bats, the females form 'maternity colonies' to have…