6 weird invasive species wreaking havoc in the US, from self-cloning ticks to 20-pound rodents with orange teeth

6 weird invasive species wreaking havoc in the US, from self-cloning ticks to 20-pound rodents with orange teeth

These weird invasive species can damage crops and soil and threaten native plant and animal species.Monique van Someren/Getty Images; Picture by Tambako the Jaguar/Getty Images; Craig Cordier/Getty I… [+6712 chars]

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