The easiest way to find out if the nocturnal and well-camouflaged nightjar is about is to listen out for its distinctive 'churring' call at dusk. A summer visitor, it is most numerous in…

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.

The violet click beetle is a very rare beetle that lives in decaying wood, particularly common beech and ash. It gets its name from its habit of springing upwards with an audible click if it falls…

This common fungus puffs out clouds of spores when it's mature.