How invasive species spread Invasives move from garden to garden in many ways — when birds eat the fruit and drop the seeds, by lawnmowers and snowplows. They are carried on the wind, in the ...

Red imported fire ants are a species of ant native to South America, and they were first brought to the U.S. in the 1920s via a ship from Argentina. These insects are considered to be aggressive ...

An invasive species of fish that can live out of water has been found lurking in Canada, experts warn. The Department of Fisheries and Oceans Canada confirmed reports of Misgurnus anguillicaudatus ...