. Birds of America;. Birds -- North America. GREBES 3 It has been claimed that Grebes Uve exclusively on fish and do mischief in fish hatcheries. The results obtained by stomach examination show that they do not depend wholly or even ehiefiv upon fish. On the contrary, they eat a large number of crawfishes, whicli often severely damage crops, and consume numlicrs of aquatic insects which devour small fishes and the food of such fishes. WESTERN GREBE A. O I .ffichmophorus occ Other Names.— Western Dabchick ; Swan Grebe. General Description.— Length. J4 to jg inches. Color above, brownish-black;
. Birds of America;. Birds -- North America. GREBES 3 It has been claimed that Grebes Uve exclusively on fish and do mischief in fish hatcheries. The results obtained by stomach examination show that they do not depend wholly or even ehiefiv upon fish. On the contrary, they eat a large number of crawfishes, whicli often severely damage crops, and consume numlicrs of aquatic insects which devour small fishes and the food of such fishes. WESTERN GREBE A. O I .ffichmophorus occ Other Names.— Western Dabchick ; Swan Grebe. General Description.— Length. J4 to jg inches. Color above, brownish-black; below, satiny-white. Head with short crest on top but none on sides; bill, slender; neck nearly the length of the body. Color.— Adults: Forehead, dark ash; crest and narrow line down back of neck, sooty-blackish shading on upper parts into brownish-black; the feathers of back with grayish margins; primaries, dusky-brown, white at base; secondaries, white, some dark on outer webs; sides of head, chin, throat, and entire under parts, pure satiny-white; bill, yellowish-olive; feet, dull olive, yel- lowish on webs; outer edge and soles of feet, blackish; iris, orange, pink, or carmine with a white ring; a narrow bare space from bill to eye, lavender. Xunitier i identalis { La-i^rcncr) Nest and Eggs.— Xest: A matted structure of tule stcni>, gras^. and water-plants, witli a slight depres- sion in the center ; afloat on the water ; usually lightly fastened to the living reeds so that it will move up and down but not be carried away from its position. E(,: Sometimes 3 but usually 4 or 5. pale bluish-green but stained a light brown from contact with the decom- posed vegetable matter of the nest. Distribution.— Western North .America ; breeds from British Columbia, soutliern Saskatchewan, southern AllK-rta, and southern Manitoba south to northern Cali- fornia. Utah, and northern North Dakota ; winters from southern British Columbia and California southward to central Me
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Keywords: ., bookauthorpearsont, bookcentury1900, bookdecade1920, bookyear1923
