Cats are popular pets: there are an estimated 200 million pet cats worldwide, with more pet cats than pet dogs. Cats live in about 38 per cent of Canadian households, 25.4 per cent of American households and 25 per cent of European households.
Cats also seem to be a great source of entertainment. There are two million cat videos on YouTube and counting, and countless internet-famous cats, like Grumpy Cat and Lil’ Bub, each with millions of followers on their social media accounts.
