There were concerns numbers of the birds were growing and posing a threat to native species.
It's overtaken the areas where people farm and it's spreading to the national park, strangling native species.
Under the scheme, non-native trees planted in the 18th and 19th centuries will be replaced with native species.
Goats, red ants, even berries are pushing out native species found nowhere else but on this isolated archipelago.
But they also carry a disease which is fatal to the native species.
Rather than buying foreign exchange, policymakers can keep it out of the country, sequestering it abroad like a non-native species.
Biologists fear the voracious fish that can grow to 100 pounds will destroy the Great Lakes by starving out native species.
Clinging to trees and windows, looking for a place to rest, huge numbers of exotic harlequin ladybirds easily outnumbered the native species.
An invasion of American crayfish in a Northumberland river could have a "devastating" impact on the native species, the Environment Agency warned.
It also warns that disease and parasite transmission and climate change may give the invading European hare an edge over our native species.
The pumps, however, both grind up the fish and disrupt the tidal flows, thus threatening to kill native species and inviting invasive ones.
The native species is under threat from red signal crayfish, which were introduced to the UK in the 1970s and now dominate rivers.
"This could not be confused with a native species of Canada, " Julian Starr, a botany professor at the University of Ottawa, told the CBC.
Like Turner, Bacon has put an emphasis on saving native species.
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The leaf on Canada's flag is stylised, but in such a way that it still looks like the native species, Mr Starr later told CTV.
But local conservation experts raised concerns over the impact on native species, notably the dwarf gecko - and those concerns were echoed by world authorities on lemurs.
Set on the lush and magical jungle planet of Pandora, the story takes place against the backdrop of a war between invading humans and Pandora's native species, the Na'vi.
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The study, published in the international journal Biological Invasions, suggested that European hares exhibit strong competition for habitat space and food resources with native species, most notably other hare species.
The Gough mouse is one of 2, 900 non-native species damaging native wildlife on the 17 UK Overseas Territories and Crown Dependencies, a review by the Joint Nature Conservation Committee (JNCC) has found.
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Any colourful flowers are good, and the caterpillars of a lot of British butterflies are grass eaters - so allowing native species of grass to grow a bit longer in the summer will help.
There is now more and more data emerging to show that Chalara fraxinea is not a European native species and could have come from Asia - including a recent paper in the journal Mycotaxon.
The grasses, sedges and shrubs that have been brought to the island handily out-compete the native species, many of them ferns, that were making such a poor fist of greening the island before people came.
Recently, the reintroduction of once-native species to Scotland (such as elk, boar and wolves) caused fierce controversy at the Highland estate of Alladale, an idea that could seem laughable to the locals around Cairngorms National Park.
"We can no longer take red squirrels for granted, like other members of our fauna and flora, they have suffered as the result of the spread of a non-native species - the grey squirrel, " she said.
Macdonald points out that all work on the island has been under the supervision of a Thai forestry worker and an environmentalist, not to mention a botanist brought from Britain to oversee replanting of the native species.
Families who have already weaned themselves off the grid, or opted, when possible, for public transport, veganism, non-exploitation of native species, refusing to wear leather, fur, or exploit animals in any way, need to be rewarded for their benign, cruelty-free (or nearly free) environmental altruism.
The discovery of this new sweat bee species which belongs to a large family of bee species that depend on human perspiration for salt to survive highlights the importance of the thousands of native bee species in pollinating plants, flowers and fruits.
The US was concerned about native turtle species, including diamondback terrapins that are increasingly under threat.
The NRW said that where it had colonised, it was out-competing the native plant species such as grey willow and rare copper moss.
The report found that some native Arctic species have also benefited from climate change, including wild reindeer on the Norwegian archipelago of Svalbard.
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