An easily overlooked orchid, the Common twayblade is yellow-green and less showy than other UK orchids. Look for it in woodlands and grasslands on chalky soils, in particular.

The jackdaw is a small, black-capped crow of woodlands, parks, towns and coast. It is a well-known thief, stealing other birds' eggs and breaking into garden feeders.

As its name suggests, quaking-grass can be seen quivering or 'quaking' in a breezy, summer wildflower meadow. Its purple-and-green, heart-shaped flower heads hang from delicate stems.…

The Azure damselfly is a pale blue, small damselfly that is commonly found around most waterbodies from May to September. Try digging a wildlife pond in your garden to attract damselflies and…

The eel is famous for both its slippery nature and its mammoth migration from its freshwater home to the Sargasso Sea where it breeds. It has suffered dramatic declines and is a protected species…

The wasp spider is a great mimic - looking just like a common wasp keeps it safe from predators, even though it is not dangerous itself. It can be found in southern England, but is spreading north…

The shy dunnock can be seen hopping about under hedges as its other name, 'hedge sparrow', suggests. It inhabits gardens, woodlands, hedgerows and parks.

A medium-sized diving duck, the goldeneye can mainly be spotted in winter when birds fly in from Northern Europe. Conservation efforts have helped small numbers of these birds to nest in Scotland…

With ginger hairs, dark banding and a cream tail, the Narcissus bulb fly looks like a bumble bee, but is harmless to us. This mimicry helps to protect it from predators while it searches for…

In summer, the sedge warbler can be spotted singing from a reed or willow perch in wetlands across the UK. Males never sing the same song twice, adding new phrases to impress the females.

Like many of our farmland birds, the yellowhammer has declined in number in recent years. Spot this bright yellow bird singing from the top of a bush or fence, or in a mixed-species flock in…