Invasive animals are introduced multicellular organisms of the kingdom Animalia, such as mammals, birds, reptiles, and insects. Invasive aquatic animal species are included in the Aquatic Species - Aquatic Animals section.

• Legal Definitions - Executive Order 13112
  USDA. NAL. National Invasive Species Information Center.
• Invasive Species Definition Clarification and Guidance White Paper (PDF | 104 KB)
  Submitted by the Definitions Subcommittee of the Invasive Species Advisory Committee (ISAC)
  Approved by ISAC Apr 27, 2006
• Invasive Alien Species Concepts, Terms and Context (IAS-CTC)
  CAB International.

Use our Animals Custom Search Engine to search for invasive species information included in this section of NISIC's site:

Listed below are the animal species for which we have completed species profiles - general information about animal species commonly known as invasive. This is not a list of all invasive animal species, nor does it have any regulatory implications. These profiles are provided as an educational informational tool.

Africanized Honeybee (Apis mellifera scutellata)
Asian Long-Horned Beetle (Anoplophora glabripennis)
Asian Tiger Mosquito (Aedes albopictus)
Brown Tree Snake (Boiga irregularis)
Cactus Moth (Cactoblastis cactorum)
Cane Toad (Bufo marinus)
Emerald Ash Borer (Agrilus planipennis)
European Gypsy Moth (Lymantria dispar)
European Starling (Sturnus vulgaris)
Formosan Subterranean Termite (Coptotermes formosanus)
Giant African Snail (Achatina fulica)
Glassy-Winged Sharpshooter (Homalodisca coagulata)
Hemlock Woolly Adelgid (Adelges tsugae)
Pink Hibiscus Mealybug (Maconellicoccus hirsutus)
Red Imported Fire Ant (Solenopsis invicta)
Russian Wheat Aphid (Diuraphis noxia)
Silverleaf Whitefly (Bemisia argentifolii)
Wild Boar (Sus scrofa)