You've probably seen a headline or two about an invasive species taking over. Perhaps you've seen a sign warning of non-native plants. But have you ever wondered what those labels actually mean? Are ...

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The ruddy duck, originally from North America, was introduced to Britain as an ornamental wildfowl in the 1940s and soon spread throughout the country. Only after a decade or more of expensive culling ...

White storks (Ciconia ciconia) are a majestic bird with a two-meter wingspan and an enormous circular nest. The recent ...

Non-native species appear to be better able to resist extreme weather, threatening native plants and animals and potentially creating more favourable conditions for invasive species under climate ...