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Feline ‘invasive species’ call by Polish scientist puts cat among the pigeons

Biologist Wojciech Solarz faced a backlash after the move over the cat, which he said originated in the civilisations of the ancient Middle East.

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One of seven cats that keep the company of the visitors at a new Miaow Cafe finishes a cake in Warsaw (AP)

One of seven cats that keep the company of the visitors at a new Miaow Cafe finishes a cake in Warsaw (AP)

One of seven cats that keep the company of the visitors at a new Miaow Cafe finishes a cake in Warsaw (AP)

A respected Polish scientific institute has classified domestic cats as an invasive alien species, citing the damage they cause to birds and other wildlife.

Some cat lovers have reacted emotionally to the decision this month, and put the key scientist behind it on the defensive.

Wojciech Solarz, a biologist at the state-run Polish Academy of Sciences, was not prepared for the public disapproval when he entered “Felis catus”, the scientific name for the domestic cat, into a national database run by the academy’s Institute of Nature Conservation.

The database already had 1,786 other species listed with no objections, Mr Solarz told The Associated Press.

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Larry, the Number 10 cat, in Downing Street, London (Kirsty O’Connor/PA)

Larry, the Number 10 cat, in Downing Street, London (Kirsty O’Connor/PA)

Larry, the Number 10 cat, in Downing Street, London (Kirsty O’Connor/PA)

The uproar over invasive alien species No 1,787, he said, may have resulted from some media reports that created the false impression his institute was calling for feral and other cats to be euthanised.

Mr Solarz described the growing scientific consensus that domestic cats have a harmful impact on biodiversity given the number of birds and mammals they hunt and kill.

The criteria for including the cat among alien invasive species “are 100% met by the cat”, he said.

In a television segment aired by independent broadcaster TVN, the biologist faced off last week against a veterinarian who challenged Mr Solarz’s conclusion on the dangers cats pose to wildlife.

Dorota Suminska, the author of a book titled The Happy Cat, pointed to other causes of shrinking biodiversity, including a polluted environment and urban building facades that can kill birds in flight.

“Ask if man is on the list of non-invasive alien species,” Ms Suminska said, arguing that cats have been unfairly blamed.

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A domesticated pet cat (Nick Ansell/PA)

A domesticated pet cat (Nick Ansell/PA)

A domesticated pet cat (Nick Ansell/PA)

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Mr Solarz responded by saying cats kill about 140 million birds in Poland each year.

Earlier this month, the Polish Academy institute published a post on its website citing the controversy and seeking to clarify its position.

The institute stressed that it was “opposed to any cruelty towards animals”. It also argued that its classification was in line with European Union guidelines.

As far as categorizing cats as “alien”, the institute noted that “Felis catus” was domesticated probably around 10,000 years ago in the cradle of the great civilisations of the ancient Middle East, making the species alien to Europe from a strictly scientific point of view.

The institute also stressed that all it was recommending was for cat owners to limit the time their pets spend outdoors during bird breeding season.

“I have a dog, but I don’t have anything against cats,” Mr Solarz said.


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