. Legislation for the protection of birds other than game birds . Diagram showing open seasons for doves: The shaded area indicates the months whendove shooting is permitted. Doves feed largely on seeds, and an examination of a considerablenumber of stomachs has shown that these include seeds of noxious FLICKERS. 17 weeds, such as pokeweed and several species of the genera Lithosper-mum, Oxalis, and Euphorbia. In certain parts of California the habitof feeding on the seeds of turkey mullein (Eremocarpus setigerus)is so well known that a botanist, on inquiring how he could collectsome seeds of
. Legislation for the protection of birds other than game birds . Diagram showing open seasons for doves: The shaded area indicates the months whendove shooting is permitted. Doves feed largely on seeds, and an examination of a considerablenumber of stomachs has shown that these include seeds of noxious FLICKERS. 17 weeds, such as pokeweed and several species of the genera Lithosper-mum, Oxalis, and Euphorbia. In certain parts of California the habitof feeding on the seeds of turkey mullein (Eremocarpus setigerus)is so well known that a botanist, on inquiring how he could collectsome seeds of this plant, was advised to shoot a few doves and opentheir crops. Under some circumstances enormous quantities of weedseed are devoured, as shown by the crop of a dove killed in a rye fieldat Warner, Tenn., which contained no less than 7,500 seeds of Oxalisstricta. As a weed destroyer, the dove more than compensates for thegrain which it occasionally consumes, and the value of .its services iscertainly greater than the few cents which its body brings in Fig. 3.—Flicker (Colaptes auratus). FLICKERS. Of the woodpeckers, the flickers or pigeon woodpeckers (fig. 3),represented in the East by the yellow-shafted flicker (Colaptesauratus) and in the West by the red-shafted flicker (0. cafer), arethe only ones which are killed to any extent for food. They are stillregarded as legitimate game in some sections, but apparently are sotreated by law only in Nevada, which fixes an open season fromSeptember 15 to March 15. Like other woodpeckers, the flicker is 4 In some parts of the South the pileated woodpecker (Ceophlcms pileatus) is soldas game, and a few specimens can be found occasionally in the markets of Washing-ton, D. C. 22186—No. 12 2 18 LEGISLATION FOB THE PROTECTION OF BIRDS. mainly insectivorous. An examination of 230 stomachs of the yellow-shafted flicker showed the presence of 5 percent mineral, 39 percentvegetable, and 56 percent animal The mineral eleme
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