Parsley fern lives up to its name - the pale green fronds form in clusters among rocks and look just like parsley. Look out for it in upland areas, particularly in Wales and Cumbria.

From spring, look out for the beautiful, speckled gold-and-black breeding plumage of the golden plover. It can be found in its upland moorland breeding grounds from May to September, moving to…

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,…

Look for the round, cottony, purple flower heads of the Woolly thistle on chalk and limestone grasslands in summer. It is mainly found in Southern England.

A tall and hairy plant, Great willowherb displays pretty pink-and-cream flowers. It can be found in damp places, such as wet grasslands, ditches and riversides.

The Marsh helleborine is a beautiful orchid of fens, wet grassland and dune slacks. Growing in profusion in places, look for reddish stems and white-and-pink flowers.

Red squirrels are native to the UK but are a lot rarer than their grey cousins. They live in a few special places across the UK thanks to reintroduction projects.