UK invasive species


American bullfrog

  • It is thought that the American bullfrog was introduced to the UK through the release of unwanted pets or accidental importation with aquatic plants or fish.
  • Classed as one of the 100 worst invasive species in the world by the IUCN, the American bullfrog threatens native species, through competition, predation and disease transmission.
  • More than £100,000 has been spent on control and monitoring of the American bullfrog in the UK so far, with over 9,000 individuals having been removed from the wild.