both these species, as well as those with insects are not always available. Since you have as a human being then something plan ahead, because the delivery method also gives not called immediately. So far, however, the delivery has always worked in time and none of our many feathered friends in the garden, had to look into an empty bird feeder. This great seed mixture may not be the cheapest but one of the highest quality available on the market with security. Since many species of birds find their favorite grain and look like the sociable sit-in at the feeding station over. I would not go voluntarily, but it would be just great if in the shop of the article would be always available here. Can of course be that as a principle lurking behind - I just do not yet recognized.