invasive animal

noun

1. an animal species that has been introduced into a new environment and spreads there, often causing harm to native wildlife or ecosystems

   B1

   countable

   • "The rabbit is an invasive animal in Australia."A2
   • "Invasive animals can damage local plants and wildlife."B1
   • "Invasive animals can compete with native species for food and shelter."B1
   • "Officials are trying to limit the damage caused by invasive animals introduced through trade."C1