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

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.