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.

This unmistakeable moth, famous for its skull-shaped marking, is a rare visitor to the UK.

The black poplar is a large tree of floodplains, flooded gravel pits and ditches, particularly in England. Despite being an important part of our culture for centuries, it has declined massively…

The pretty Deptford pink is a very rare flower that is very vulnerable to the loss of our traditional grassland and farmland habitats. It can only be found in a few places in England and Wales.…

Standing proud and tall, the red deer is our largest deer. With its massive antlers, it is an unmistakeable icon of the Scottish Highlands, but can be seen in northwest and southern England, too…

The small blue's name is a little misleading: it is our smallest butterfly, but only shows a dusting of blue on brown wings. It is scarce, occurring on chalk grassland, mostly in southern…

Just as the bluebells finish flowering in our woodlands, the rose-red blooms of red campion start to brighten up the woodland floor. Look for this pretty plant in hedges and roadsides, too.

The nodding, pink-and-purple-chequered flowers of the snake's-head fritillary are said to resemble a snake, hence the name. Declining with the loss of our meadows, this delicate plant can be…

The huge white-tailed eagle is our largest bird of prey. After being persecuted to extinction in the UK, it has been successfully reintroduced in Scotland and, more recently, to the Isle of Wight…

Look for the star-like, feathery, white flowers of Bogbean in ponds, fens, bogs and marshes. It is so-named because its leaves look like those of broad beans.

An introduced species, Common evening-primrose is now naturalised on waste ground, roadside verges and railway cuttings. It has long been used to produce the herbal remedy, evening-primrose oil.…