A butterfly in your yard is always a welcome sight, but if that butterfly shimmers? Even better! The red-spotted purple butterfly has an iridescent sheen that makes it truly eye-catching. Here’s what ...

For most forms of life, coloration is synonymous with the presence of a pigment that absorbs some wavelengths and reflects others. But butterflies and birds are different. Their wings and features ...

An elusive species of butterfly, which is the second largest in the UK, has been sighted at a National Trust estate. The purple emperor, with a wingspan of around 8cm, was sighted at Sheringham Park ...