'Even pigeons look amazing': the multicoloured magic of a biofluorescent nature walk

Unlike many animals, humans can't see biofluorescence unaided - but with a UV torch, a night stroll looks very differentIt is a murky, dank night in the middle of the countryside, a tawny owl is calling, and I am in raptures, stroking a slug."Oooh, an earthworm!" exclaims the farmer Jeremy Buxton from the nearby blackness. "Oh, wow." Continue reading...