The Four-spotted chaser is easily recognised by the two dark spots on the leading edge of each wing - giving this species its name. It can be seen on heathlands and near ponds and lakes.

Common box grows in woodlands and scrub in southern England, with notable populations in the Chilterns, Cotswolds and North Downs. A familiar evergreen tree, it has shiny, dark green, oval leaves…

The lesser whitethroat is smaller than its cousin, the whitethroat, and sports dark cheek feathers that give it a 'mask'. Most likely to be heard around woodland and scrub, rather than…

A common and diminutive fish, the minnow can be found in freshwater streams, rivers and lakes across the country. Look out for the dark stripe along its flank and the red bellies of the males.

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…

Despite its name, Spurge laurel is not a laurel - it just looks like one! It has glossy, dark green leaves and black, poisonous berries, and can be found in woodlands in southern England, in…

A ferocious and fast predator, the devil's coach horse beetle hunts invertebrates after dark in gardens and on grasslands. It is well-known for curling up its abdomen like the tail of a…

The brent goose flies to the UK for the milder winter. Two populations arrive: those with dark bellies can be found around Eastern England; while those with pale bellies can be found in the North…

Sometimes called 'Marsh samphire', wild common glasswort is often gathered and eaten. It grows on saltmarshes and beaches, sometimes forming big, green, fleshy carpets.

The raven is famous for being the imposing, all-black bird that guards the Tower of London. Wild birds live in forests, and upland and coastal areas in the north and west of the UK.

Water-cress has become so popular as a salad addition that it is now cultivated on a wide scale. In the wild, it grows in shallow, fast-flowing streams and is an indicator of clean water.

The giant house spider is one of our fastest invertebrates, running up to half a metre per second. This large, brown spider spins sheet-like cobwebs and pops up in the dark corners of houses,…