European hedgehog (Image Credit: Canva) What was once seen as a useful garden helper in New Zealand has become an unexpected threat to some of the country’s most vulnerable wildlife. European hedgehogs were deliberately introduced to New Zealand in the 19th century, with acclimatisation societies releasing them in the hope that they would help control…

At first glance, the fire salamander appears much as it always has: black skin broken by irregular yellow markings, a pattern long associated with the species’ chemical defences. But under ultraviolet light, that familiar appearance changes. According to the 2026 study published in the Royal Society, titled ‘Glandular biofluorescence in fire salamanders (Salamandra salamandra): first…