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.

"One for sorrow, two for joy…" is a popular rhyme associated with the magpie - a bird of much myth and legend. An unmistakeable member of the crow family, it can be seen almost anywhere…

The meadow grasshopper can be found in damp, unimproved pastures and meadows throughout summer. Males can be seen rubbing their legs against their wings to create a 'song' for the…

The peppered moth is renowned for its markings that have evolved to camouflage it against lichen in the countryside and soot in the city. It can be seen in gardens, woods and parks, and along…

A beautifully scented plant, the arching stems and bell-shaped flowers of Lily-of-the-valley can be seen in many woodlands. Despite its delicate appearance, this plant is highly toxic.

The Common darter is a red, narrow-bodied dragonfly that can be seen throughout summer and autumn. It is hovers around all kinds of waterbodies, darting out to surprise its prey.

Our largest bat, the noctule roosts in trees and can be seen flying over the canopy in search of insect-prey, such as cockchafers. Like other bats, it hibernates over winter.

Wavy hair-grass lives up to its name: its fine, hair-like leaves and delicate flower heads can be seen shaking in the breeze of a windswept moorland or heathland.

The silvery chub can be seen gathering in large shoals in lowland rivers and streams. It is a member of the carp family and looks very similar to the dace, but is larger and has redder fins.

The Common green grasshopper can be found in damp meadows and woodland rides throughout summer. Males can be seen rubbing their legs against their wings to create a 'song' for the…