Some species are invasive in parts of the United States Our Species Myocastor coypus nutria Coypu Species Kingdom Animalia Taxonomic Rank Species Bromus tectorum Species Kingdom Plantae Taxonomic Rank Species Boiga irregularis Brown Tree Snake Brown Treesnake Brown Cat Snake Species Kingdom Animalia Taxonomic Rank Species Elodea canadensis broad waterweed Canada waterweed Canadian waterweed Nashville waterweed FWS Focus Species Kingdom Plantae Taxonomic Rank Species Lithobates catesbeianus American Bullfrog Species Kingdom Animalia Taxonomic Rank Species Sus scrofa wild boar pig pig (feral) Species Kingdom Animalia Taxonomic Rank Species
Boiga irregularis Brown Tree Snake Brown Treesnake Brown Cat Snake Species Kingdom Animalia Taxonomic Rank Species
Elodea canadensis broad waterweed Canada waterweed Canadian waterweed Nashville waterweed FWS Focus Species Kingdom Plantae Taxonomic Rank Species