Piddocks are a boring bivalve. No, we don't mean dull... we mean that it bores into soft rock, creating a burrow. In fact, they're the opposite of dull - they glow in the dark!

A dark, stocky warbler, the Cetti's warbler is most likely to be heard, rather than seen - listen out for its bubbling song among willow, marsh and nettles.

The most common wood ant is the southern wood Ant, or 'red wood ant', which is found in England and Wales. An aggressive predator, it plays a vital pest control role in our woodlands.…

The bright yellow daffodils that adorn our roadsides and parks are likely to be garden varieties. Head to a woodland or damp meadow in North or South West England, or Wales, to see a true wild…

As the only crow with a red bill and red legs, the all-black chough is easy to identify. But it's harder to spot: there are only small, coastal populations in Scotland, Ireland, Wales,…

The dark green, straight and spiky stems of common club-rush or 'bulrush' are a familiar wetland sight. They are ideal for weaving and were traditionally used to make baskets, seats and…

Look out for the black guillemot all year-round at scattered coastal sites in Scotland, England, Wales and the Isle of Man. It tends not to travel far between seasons, breeding and wintering in…

The Monkey-puzzle tree is unmistakeable with its pyramidal shape, jutting branches and stiff, dark green 'spines' (its leaves). Widely planted in the UK's parks and gardens, it is…

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.