An uncommon tree of wet woodlands, riverbanks and heathlands, alder buckthorn displays pale green flowers in spring, and red berries that turn purple in autumn.

A summer visitor, the wheatear is a handsome chat, with black cheeks, white eyestripes, a blue back and a pale orange chest. Look for it on upland heaths and moors.

The attractive roe deer is native to the UK and widespread across woodland, farmland, grassland and heathland habitats. Look for its distinctive pale rump and short antlers.

Water-plantain is an aquatic plant of shallow water and muddy banks. In bloom over summer, it displays tall branches of loosely clustered, pale lilac flowers.

The white-clawed crayfish is a freshwater, bronze-coloured crustacean with pale undersides to its claws - hence the name. It is under threat from an invasive and introduced species of crayfish.…

A sure sign that spring has arrived, the Cuckooflower blooms from April. Look out for its delicate, pale pink flowers in damp meadows and ditches, and on riverbanks.

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.