The clouded yellow is a migrant that arrives here from May onwards. Usually, only small numbers turn up, but some years see mass migrations. It prefers open habitats, particularly chalk grassland…

Often a lone figure on a windswept mountainside or heath, the rowan tree can stand for up to 200 years. It is well known for its masses of red berries that attract all kinds of birds, including…

As its name suggests, the house martin can be spotted nesting in the eaves of houses in our towns and villages. Its intricate mud nests take days to build and are often returned to and used in…

The silver-washed fritillary gets its name from the silver streaks on its underside. It is on the wing in summer, preferring sunny glades in woodlands. Despite declines, its range has spread over…

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…

An introduced species, the rhododendron leafhopper is a striking mix of green and red, with a black stripe across its face. It can be found feeding on rhododendrons (also introduced) in Southern…

The banded demoiselle can be seen flitting around slow-moving rivers, ponds and lakes. The males are metallic blue, with a distinctive dark band across their wings, and the females are a shiny…

The grass snake is our longest snake, but don't worry if you find one in the compost heap - it's harmless! Look out for this green and yellow beauty in grasslands and wetlands, too.

The distinctive spiky, or 'bearded', green flower heads of wall barley appear from June to July and are easy to spot in an urban environment as they push their way up through pavements…