The ptarmigan is a master of disguise - matching its Highland surroundings perfectly by turning snow-white in winter and rock-grey in summer. It is confined to the mountains of Scotland, so is…

With club-shaped leaflets on its fronds, wall-rue is easy to spot as it grows out of crevices in walls. Plant it in your garden rockery to provide cover for insects.

The jersey tiger moth is a beautiful moth with creamy white strips on its forewing and bold orange underwings. It is mainly found in the south.

Sometimes known as the snipe of the woods, the exquisitely camouflaged woodcock is mainly nocturnal, hiding in the dense undergrowth of woodlands and heathlands during the day.

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.

The brimstone moth is a yellow, night-flying moth with distinctive brown-and-white spots on its angular forewings. It frequently visits gardens, but also likes woods, scrub and grasslands.

A fierce predator of small fish and flying insects, the brown trout is widespread in our freshwater rivers. It is has a golden body, flanked with pale-ringed, dark spots.

As its name suggests, the Marsh violet likes damp spots, such as marshes, bogs and wet woods. It is a low-growing plant with kidney-shaped leaves and pale lilac flowers.

The stoat is a small mustelid, related to the weasel and otter. It has an orange body, black-tipped tail and distinctive bounding gait. Spot it on grassland, heaths and in woodlands across the UK…

The dazzling silver-studded blue is a rare butterfly of heathland habitats, mainly in southern England. It has undergone severe population declines in recent years.

Known in America as the 'Eared Grebe' because of its golden ear tufts, the black-necked grebe is a rare nesting bird in the UK. It is easiest to spot around southern coasts in winter.…