Whether mutually beneficial or a parasitic nuisance, Nature’s symbiotic relationships are as multifarious as they are marvellous, says John Lewis-Stempel

Mimicry is where one species evolves to look like another. Animals evolve to mimic others in two main ways and they can be classed as either ‘honest’ or ‘dishonest’ mimics. In honest mimicry, two or m

Find out which early species to watch for, how to make your patch more butterfly-friendly and where to record your sightings for science

Karen Youngs is on the lookout for nature’s collectibles during a sunny spring walk

The common toad has always enjoyed a special place in our national imagination, but its numbers have been declining alarmingly in recent decades. What can be done? Sarah Langford investigates

Nadia Shaikh goes synaesthetic for the start of spring, almost tasting the orange tang of an early butterfly