Foreign invaders are introduced animals or plants that have established in the wild in Australia.They can alter nature, causing harm to native animals and plants.
Cabomba caroliniana is one of Australia's worst waterborne weeds. If it becomes established in Top End waterways it will have a large negative impact.
Read about cabomba.
Learn more about cabomba and what is being done to control it.
Australia does not have any native toads. In 1935, cane toads were brought from overseas to Queensland.
Read about cane toads.
Learn more about what you can do to help control cane toads.
Feral pigs are some of the NT's most unwanted guests.
Read about pigs.
You can also find out about feral pigs in the NT.