Home Topics Invasive species

Topic: invasive species

Scientists reveal the invasion route of a small crustacean

Biological invasions are widely recognised as one of the most significant components of global change. Far-reaching and fast-spreading, they often have harmful effects on...

Russian cuckoo invasion spells trouble for Alaskan birds

Common cuckoos and oriental cuckoos in eastern Russia appear to be expanding their breeding range into western Alaska, where songbirds are naive to the...

Introduced species overlooked in biodiversity reporting

Nature is intimately connected with human well-being of current and future generations - which is why an array of reports track the state of...

Ash dieback are pushing European ash trees to the brink

Ash dieback threatens 95% of all European ash trees and has already killed or severely damaged a quarter in southern Sweden and destroyed more...

Trichomonosis discovered amongst myna birds in Pakistan

A strain of the disease responsible for killing off nearly two thirds of the UK's greenfinches has been discovered in myna bird populations in...

UK pine martens are helping to control invasive gray squirrels

For many years, populations of a little red squirrel with cute ear tufts, a native of Great Britain, Ireland and Europe, have been in...

Few Chicagoland wetlands left without non-native species

The wetlands in and around Chicago are overwhelmingly invaded by non-native plants, according to a new study by University of Illinois researchers. The study,...

Grey squirrels beat reds in ‘battle of wits’

Problem-solving powers may help to explain why grey squirrels have taken over from native red squirrels in the UK, new research says. The study tested...

Invasive insect species overlooked as a result of a shared name

An invasive leaf-mining moth, feeding on cornelian cherry, has been gradually expanding its distributional range from its native Central Europe northwards for a period...

New alien species invasions still rising globally

Up to 16% of all species on Earth could qualify as potential alien species and if they invade new regions, impacts will be difficult...

Invading toads adjust rapidly to different environments

A new paper published in Conservation Physiology examines the thermal tolerance of Cane Toads in Hawaii and Australia and finds that some of them are adapting...

Wood-boring wasp in America threatened by an invader

Invasive species have diverse impacts in different locations, including biodiversity loss, as a result of native species being outcompeted for similar resources. A U.S....

Species identification in the water bottle

Environmental DNA analysis makes it possible to detect water organisms without having to capture them first. For the first time, a team at the...

Fungal contacts with trees explain non-native plant invasions

New research published by a team of scientists from the USDA Forest Service and Purdue University suggests that tiny soil fungi that help and...

Invasive frogs give invasive birds a boost in Hawaii

Puerto Rican coqui frogs were accidentally introduced to Hawaii in the 1980's, and today there are as many as 91,000 frogs per hectare in...