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 fluffy, white heads of common cotton-grass dot our brown, boggy moors and heaths as if a giant bag of cotton wool balls has been thrown across the landscape!

Famously predatory, the long, slender pike will lurk among the vegetation of a river or lake, bursting out with ferocious speed to catch its prey. Look out for it across the UK.

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.

Sea potatoes may have a funny name, but they are perfectly adapted for life in the sand. They are a type of sea urchin that live in a burrow in the sand, feeding on dead animals and plants using…

Our most common hoverfly, the marmalade fly is orange with black bands across its body. It feeds on flowers like tansy, ragwort and cow parsley in gardens, hedgerows, parks and woodlands.