Invasive nutria rodents cause widespread damage across North American wetlands

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Nutria, large rodents originally introduced for fur farming, have spread to forty US states and Canada.
They are destroying wetland vegetation and agricultural crops such as rice.
Their burrowing weakens levees and dams, creating risks to infrastructure and public safety.
Authorities are using trapping, detection dogs, and bounty programs to control the populations, and the damage has already cost millions of dollars.

Progress of eradication programs using trapping, detection dogs, and bounty schemes
Extent of further spread beyond the forty US states and Canada
Impact on infrastructure such as levees and dams in affected regions

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Named United States · Canada · Rice

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