Invasive Species

Signal crayfish, Pacifastacus leniusculus on the edge of a river/Credit: Getty Images

American crayfish trapping fails to control invasive species, finds study

Himalayan balsam in flower in Germany. © Getty

Invasive non-native plants in the UK, and the bioagents used to control them

Pine marten. © Queen's University Belfast

Benefits of pine martens for red squirrel populations hampered by urban areas

A chinstrap penguin and a gentoo penguin in Antarctica. © Emiliano Lasalvia/NurPhoto/Getty

Predicting the next wildlife “invasions” heading for Antarctica

American mink. © Roland Hemmi/Getty

Conservationists plan complete eradication of mink from East Anglia

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Runner stops invasive plant in its tracks

illustration of a dodo bird in black and white

5 things you always wanted to know about dodos

Atlantic yellow-nosed albatrosses on Gough Island. © Ben Dilley

Save endangered species by culling invasive animals

Harlequin ladybirds emerging on a sunny spring day in the UK. © Ian Redding/Getty

Insects & Invertebrates

Truth or fiction: we should be scared of harlequin ladybirds

Squirrel fox feeding on garden fruit. © Getty

66 alien species which could threaten European wildlife

Beloved to all Puerto Ricans, a tiny coqui treefrog peeks from a rain-soaked canario flower, also known as Allamandra, yellow bell, or golden trumpet flower, an ornamental native to South and Central America.
Eleutherodactylus coqui.
Unfortunately this frog was accidentally introduced to Hawaii, where it has multiplied to population levels unknown in Puerto Rico and stands as a threat to the welfare of endemic Hawaiian wildlife. Its shrill call is also annoying to residents and tourists seeking peaceful nights in Hawaii.
San Juan, Puerto Rico.
Photographed under controlled conditions
35mm film-horizontal
Model Release: Not Applicable

Invasive frogs and birds working together in Hawaii

Marine pollution, mainly made up of plastic bottles and polystyrene floating in Hinnavaru Harbour, Maldives, Indian Ocean.

Hundreds of marine Asian species have been hitching a ride on rafts of marine debris

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Confirmed sighting of Asian hornet in Devon

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Predatory hornet could spread rapidly in UK

Signal crayfish. © Trevor Renals

17 invasive species causing problems in the UK