OSLO, Oct 19: – Norway has a population of 5 million, which perhaps explains why brothers Vegard and Baard Ylvisaaker are stunned that their joke video ‘The Fox (What Does the Fox Say?)’ has more than 130 million hits on YouTube. The catchy video, set partly at an animal costume party and partly in a forest, is in the top 10 of the US Billboard Streaming Songs chart. (AGENCIES)