The inclusion of ferrets in this list really does show that the government takes the interests of northerners into account in its policies, don’t you think? Unfortunately, there is no mention of what to do if you want to travel with your ferret down your trousers or up your jumper – but it’s early days, so no doubt they will learn the finer points of ferret-keeping as we go along.Philip RobinsAddingham, West YorkshireParrots, according to the Humane Society of the United States (HSUS), are the nation’s fourth most popular pet; according to a 2012 survey conducted by the American Veterinary Medical Association (AVMA), 3.1 percent of U.S. households owned birds. Some parrots can scream as loud as an ambulance siren. These birds are beautiful, but they’re difficult to care for and require lots of space, so the HSUS doesn’t recommend keeping them as pets at all.