I am not claiming that the United States has most of the world s cardinals I am claiming that it has most of the cardinals that are in anglophonic nations which is relevant for the Anglophonic article In a Portuguese language article the appropriate dialect would likewise be Brazilian not because Portugal does not matter not being the mighty Brazil but because Brazil s the Portuguese speaking nation with the most cardinals If you ll accept this natural metric then I ll bother to get you the population estimates otherwise its a bit of a goose chase for me and this article is not on geese But you as a birder should know enough from considerations of habitat