How can one hedgehog death collapse a population?
Small hedgehog populations of fewer than 15 animals could halve within two years if roadkill continues at rates researchers measured, Nottingham Trent University found. Lead author Dr Lauren Moore's team walked 838 kilometres and logged 269 surveys over 18 months, published in Animal Conservation. Traffic causes 38 to 41 percent of recorded hedgehog deaths, and researchers recommend 13cm gaps in fences, called hedgehog highways.
Lost in this story? That's the point of BriefTea.
Open it in the app and tap Learn from this — the Knowledge Galaxy turns the story into a map of everything it assumes you know, one tap at a time. Free, no ads, no paywall.
Get BriefTea on the App Store