Earlier this month, his 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 civilizations 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," Solarz said.
