. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. 110 REPORT OF THE FISH AND GAME COMMISSION. outstanding feature of the diet of the birds examined was the pre- ponderance of one kind of vegetable food—the fruit and seeds of the sourberry, RJius integrifolia. Large numbers of cicadas and several scorpions had been eaten by the birds. The roadrunner's relation- ship to the cuckoos is emphasized by its fondness for hairy caterpillars, many of which had been eaten. The lack of evidence
. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. 110 REPORT OF THE FISH AND GAME COMMISSION. outstanding feature of the diet of the birds examined was the pre- ponderance of one kind of vegetable food—the fruit and seeds of the sourberry, RJius integrifolia. Large numbers of cicadas and several scorpions had been eaten by the birds. The roadrunner's relation- ship to the cuckoos is emphasized by its fondness for hairy caterpillars, many of which had been eaten. The lack of evidence as to the road- runner's attacks on valley quail, plus the benefits conferred by it in. Fig. 66. Stomach contents of roadrunner, showing remains of an Anthony towhee, a scorpion and parts of several cicadas. Photograph by T. I. Storer. the destruction of insect and rodent pests, plus its esthetic value, leave a balance distinctly in favor of the bird and make it a bene- ficial rather than an injurious species. A study is being made of the food of ducks in this state, with a view to the increase of the available food supply by artificial plantings and the furnishing of a means of attracting waterfowl. A large num- ber of duck stomachs is at hand and many of these have already been examined and the contents of each recorded. A study is also being made of attempts to acclimatize foreign game birds in California, with a view of discovering the reasons for success and failure, and of what may be expected from future trials. After a review of the history of the introduction of exotic species, it is quite evident that the results have not been proportionate to the. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original California. Dept. of Fish and Game; California. Fish and Game Commission; California. Division of Fis
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