9 invasive American species

 Muscovy 

Muscovites have red around their faces. Due to their characteristic hiss, ducks were used as decorative animals for pest control.

Nutria

Nutria are dubbed swamp or river rats for their buck teeth. Nutria eat crops and property with their teeth. Their burrows can destabilise roads, bridges, etc.

Burmese Pythons

Burmese pythons were transported to North America as exotic pets. Many escaped a storm-damaged breeding facility in Florida and became invasive.

Carp

Four Asian carp species in North America harm natural environments. Silver, grass, black, and bighead carps. Imported to manage canal weeds and clean aqua farms.

Cane Toad

These toads are invasive and harmful in the summer. This is when they start breeding in large numbers and invade populated areas.

Feral Swine

They've deforested Texas and carried pseudorabies and swine brucellosis. Many landowners have benefited from fences and guard animals.

Domestic Cats

Cats are a popular pet in North America and other areas of the world, so it's surprising to hear they're an invasive species. Cats were domesticated in ancient Egypt and early Europe.

European Starlings

In 50 years, starlings moved across North America and are now everywhere. These birds damage food and water by destroying crops, especially fruits.

Gypsy Moths

Gypsy moths were transported to North America to outproduce silkworms, but they escaped. These continent-wide insects endanger 300 plant species.

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