Yup, even our sweet house cats are a destructive invasive species. Photo via Lincolnlog Invasive alien species have been measured for the first time in a large scale study that included 57 countries across the globe. The Global Invasive Species Programme (GISP) has released a report showing that, on average,

each country has 50 non-native speices that are harming the biodiversity in that country. From invasive rats causing the extinction of bird species, to the spread of chytridiomycosis - a pathenogenic fungus -

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Destructive Impact of Invasive Species Measured In 57 Countries