Almost any kind of seed mix will work to attract birds if you don't care what species you draw to the feeder. By focusing on a certain type of seed, however, you can draw particular types of birds ...
It has become very common in suburban areas and is easily attracted in large numbers to seed feeders. Polytypic. Length 6". The house is a relatively small Carpodacus finch with a longish ...
In his memoir, The Voyage of the Beagle, Darwin noted, almost as if in awe, "One might really fancy that, from an original paucity of birds in this ... different diets: seeds, insects, flowers ...