This secretive bird is a member of the rail family, related to coots and moorhens. The breeding call, a rasping rattle, is given mostly at night, sometimes for hours on end.

The melodious song of the nightingale is the most likely sign of this bird being about. Shy and secretive, it sings from dense scrub and woodland, day and night.

A delicate, small plant of woodlands and hedgerows, wood-sorrel has distinctive, trefoil leaves and white flowers with purple veins; both fold up at night.

Elder is an opportunistic shrub of woods, hedges, scrub, waste and cultivated ground. Its flowers and berries are edible, but it's best to gather wild food with an expert - try it at a…

The emperor dragonfly is an impressively large and colourful dragonfly of ponds, lakes, canals and flooded gravel pits. It flies between June and August and even eats its prey on the wing.

Famed for its tapping in the middle of the night, supposedly heralding tragedy, the deathwatch beetle is a serious wood-boring pest. In houses, their tunnelling can cause major damage.

The bramble is the thorny shrub of hedges, woods and scrub that gives us delicious blackberries in autumn. Gathering wild food can be fun, but it's best to do it with an expert - come along…

Hairy bitter-cress is an edible weed of rocky places, walls, gardens and cultivated ground. Gathering wild food can be fun, but it's best to do it with an expert - come along to a Wildlife…

At night, the pretty, white blooms of white campion produce a heady scent, attracting feeding moths. Look for this wildflower along hedgerows and roadside verges, and on waste ground.

The Wild strawberry produces miniature, edible versions of the juicy red fruits we so enjoy. Gathering wild food can be fun, but it's best to do it with an expert - come along to a Wildlife…