Marine heatwaves spell trouble for tropical reef fish — even before corals die

Despite the many challenges facing the world’s oceans today, coral reefs remain strongholds of marine biodiversity. Thousands of species of fish of all shapes and sizes call these colourful, complex and economically important ecosystems home. Impending ocean warming, however, spells trouble for these fishes. Ever since the first global coral bleaching event devastated reefs in…

Want to help rare birds? Dig a pond

The first swallows have made landfall in the UK, fanning out over the greening landscape. The early arrivals, generally males, are a streak of electric blue in the spring sunshine. These heralds of a new season were once common on the agricultural lowlands of Europe and North America, but many species of farmland bird are…

Biodiversity and climate change: size matters, and it depends on the region

World temperatures have reached unprecedented levels in the last years and the consequences of climate change are clearly perceptible. Glaciers are melting, the frequency and magnitude of extreme weather events is increasing… In silence, biodiversity is paying the price, and a significant proportion of species is already declining. Sometimes life finds a way to adapt,…

I travelled Australia looking for peacock spiders, and collected 7 new species (and named one after the starry night sky)

After I found my first peacock spider in the wild in 2016, I was hooked. Three years later, I was travelling across Australia on a month-long expedition to document and name new species of peacock spiders. Peacock spiders are a unique group of tiny, colourful, dancing spiders native to Australia. They’re roughly between 2.5 and…