Invasive Species

  • Snakes on a Plane

    Researchers have discovered why the brown tree snake has become such a successful invasive species on the island of Guam, where it has devastated native bird populations.

    By Alex Taylor on 3rd December 2018
  • Pine Martens Help Control Grey Squirrels

    Pine martens are making a comeback in Scotland, which is suppressing populations of the invasive grey squirrel – this in turn is helping the recovery of the native red squirrel.

    By Alex Taylor on 15th April 2018
  • Invasive Species Priority List

    A new study has stressed the need for more species to be urgently considered for inclusion on the European Union’s ‘List of Invasive Alien Species of Union Concern’, due to their potential impact on native species and ecosystems.

    By Alex Taylor on 14th November 2017
  • Indirect Impacts of an Invasive Species

    The brown tree snake is an invasive species on Guam, and has exterminated many forest bird species. Without the birds to disperse seeds, the indirect impact of this has been to negatively affect the regeneration of trees on the island.

    By Alex Taylor on 16th March 2017
  • Glimmer of Hope for Amphibians

    Conservationists have collected hundreds of amphibian species threatened by the fungus and are maintaining them in captivity with the hope to someday re-establish them in the wild.

    By Alex Taylor on 25th January 2016
  • Deadly Fungus Spreads

    Although habitat loss is still the largest threat to amphibians worldwide, habitat protection is now no guarantee of survival, because the spread of a deadly fungus is reaching even the most secluded habitats.

    By Alex Taylor on 3rd April 2015
  • Aliens in the Med

    Aliens have invaded the Mediterranean, and are disrupting the ecosystem’s delicate balance.

    By Alex Taylor on 22nd October 2014
  • Invasive Species Affect Animal Interactions

    Known to impact native plant species, invertebrate populations and soil nutrients, it has also been noticed that in areas with Japanese stiltgrass, numbers of American toads have fallen.

    By Alex Taylor on 3rd September 2014