. The birds of California : a complete, scientific and popular account of the 580 species and subspecies of birds found in the state. Birds; Birds. The Pigeon Hawks portions otherwise; heavily umber-streaked lower parts; tail crossed by four whitish bars, as compared with F. c. richardsoni, darker; lighter and more extensively spotted than F. c. suckleyi. Nesting.—Not cer- tainly known to breed in California. Nest: In hollow limbs of trees or in crannies about cliffs. Eggs: 4 or 5; pinkish white, spotted and blotched with reddish brown or chocolate, or else cinna- mon-buff, sprinkled and dot-
. The birds of California : a complete, scientific and popular account of the 580 species and subspecies of birds found in the state. Birds; Birds. The Pigeon Hawks portions otherwise; heavily umber-streaked lower parts; tail crossed by four whitish bars, as compared with F. c. richardsoni, darker; lighter and more extensively spotted than F. c. suckleyi. Nesting.—Not cer- tainly known to breed in California. Nest: In hollow limbs of trees or in crannies about cliffs. Eggs: 4 or 5; pinkish white, spotted and blotched with reddish brown or chocolate, or else cinna- mon-buff, sprinkled and dot- ted with heavier shades of the same color. Av. size x ( x ). Season: c. May 1st; one brood. Range of Falco colum- barius. — Northern North America; in winter south to northern South America. Range of F. c. colum- barius.— Breeds from north- western Alaska and Macken- zie, south in the mountains to Colorado and (probably) California, and from central Keewatin, northern Ungava, and Newfoundland, south to Maine and the northern pen- insula of Michigan. Winters from California and the Gulf States through middle Amer- ica to Venezuela and Ecua- dor. Distribution in Cali- fornia.— Rare summer resident in the mountains (Mammoth Lakes, June 26, 1919, June, 1921), undoubtedly a breeder but eggs have never been reported. Common winter resident and migrant, chiefly west of the Sierras. Authorities.—Gambel (Falco columbarius), Proc. Acad. Nat. Sci. Phila., vol. iii., 1846, p. 46 (upper California); Cones, Birds of the Northwest, 1874, p. 345 (syn., desc, discussion of eggs, etc.); Fisher, Hawks and Owls of the U. S., 1893, p. 109, pi. 16 (food); Grinnell, Pac. Coast Avifauna, no. II, 1915, p. 68 (status in Calif.); Howell, Pac. Coast Avifauna, no. 12, 1917, p. 57 (s. Calif, ids.). THE PIGEON HAWK is preeminently a collector's bird. Reports of occurrence are a cherished tradition with the fraternity, but positive 1631. (MC+-i>- /Jrc PIGEON HAWKS. Please note t
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectbirds, bookyear1923
