Some readers of recent Smithsonian stories on wild pigs in Texas and the world's worst invasive mammals have argued that we may have left out the worst invasive species of them all: Homo sapiens.
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sarahzielinskiSarah ZielinskiSome readers have claimed that humans are an invasive species. Technically, they're wrong
smithsonianmagSmithsonian MagazineInfluentialRT @SarahZielinski: Some readers have claimed that humans are an invasive species. Technically, they're wrong