FROM a purely practical point of view the most important of the relations of native birds to man are the economic. The esthetic value of birds is great--greater, indeed, than that of any other group of animals; and that this is a real and especially treasured value is not to be denied. But it is in their relation to insect and other enemies of crops that birds are most directly associated with the welfare of mankind, and their value in this particular should be made as widely known as possible. This bulletin is one of a series designed to assist in doing this. Not all birds are beneficial, and all facts tending to show in which class each species belongs will be set forth. The useful kinds …
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