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    Danes Cheer as Their Country Gets Invaded by Foreign Predators

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    It seems that the migrant crisis is affecting not only humans, but animals as well. In recent years, Denmark took in over 500 new species, owing to warmer weather, less hunting and more advanced transportation methods. At present, however, it remains to be seen whether the newcomers constitute a threat.

    In the past fifteen years, Denmark has seen some 542 new species of animal, which amounts to an annual increase of 40 species a year, according to a recent report by the Natural History Museum in Aarhus. The report stressed the spread of predators and carnivores among the newcomers.

    While some of the species are in fact making a comeback after once being a part of the Danish nature (such as wolves, raccoon dogs and grey seals), others are invasive predators, such as the golden jackal, previously unbeknown to Denmark. This addition may both enrich Denmark's wildlife and lead to irreversible effects on its food chain.

    "It is being discussed whether some of the new species may pose a threat to our native species, but in general, experience from other countries indicates that large predators tend to have neutral or directly positive effects on the biodiversity," Jens-Christian Svenning, professor at the Department of Bioscience at Aarhus University, told the Danish science portal Videnskab.

    Wolves, once a fixture in European wildlife, have lately gained the most attention. When a dead wolf was found in Thy in December 2012, it was the first documented wolf in Denmark in 199 years. In late June 2017, wolves reportedly began breeding on Danish soil, whereupon the Danish parliament mulled lifting the ban on shooting wolves.

    According to Thomas Secher Jensen, senior researcher at the Natural History Museum of Aarhus, wolves could compete with foxes and affect the deer population. Nevertheless, it is still a big advantage for the country's biodiversity, he added.

    "We will never get completely natural systems in Denmark, as 80 percent of the country is cultivated and 65 percent is agriculture, but we are closer to a natural system with the wolf's return. A wolf population is exactly what we are lacking in the natural food chain," Thomas Secher Jensen said.

    The golden jackal, which has been spotted several times and is known to have killed lambs on Danish farms, is native to Southern Europe and the Balkans.

    "The golden jackal is part of the general expansion from Europe, and if there are more, it may reduce the fox population," Jens-Christian Svenning said.

    ​Thomas Secher Jensen suggested that Denmark could see a rise in the jackal population, and that they may even be threatened by the wolves.

    "As a zoologist, I find it really exciting. Before, the fox was considered Denmark's largest and most numerous carnivore. Now other species may take over, leading to a more complex carnivore-prey system," he said.


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    animals, wildlife, Scandinavia, Denmark
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