. Michigan bird life : a list of all the bird species known to occur in the State together with an outline of their classification and an account of the life history of each species, with special reference to its relation to agriculture ... . TECHNICAL DESCRIPTION. The adult in breeding plumage has the chin and upper throat velvet black sharply de-fined from the clear gray of the front and sides of the neck; crown, nape and back of neckbrownish black to clear black. Rest of upper parts brownish gray; under parts mixedsilver white and gray more or less spotted with black on the chest. The bill
. Michigan bird life : a list of all the bird species known to occur in the State together with an outline of their classification and an account of the life history of each species, with special reference to its relation to agriculture ... . TECHNICAL DESCRIPTION. The adult in breeding plumage has the chin and upper throat velvet black sharply de-fined from the clear gray of the front and sides of the neck; crown, nape and back of neckbrownish black to clear black. Rest of upper parts brownish gray; under parts mixedsilver white and gray more or less spotted with black on the chest. The bill is light coloredwith a conspicuous black band encircling it near the middle. The inner webs of the secon-daries are largely white. Iris brown; sexes alike. In winter the bill is yellowish withoutany trace of the black band and the throat is wliitish without trace of black. Rest of miderparts are silky white or grayish white and the upper parts slaty black or brownish this plumage the bird closely resembles the Horned Grebe of the same season; comparedescription under that species. Lengtli, 12 to 15 inches; wing, to 5. 40 MICHIGAN BIRD Fig. 2. iNtst. and Eggs of Pied-billed photograph by Thos. L. Hankinson. Family 2. GAVIID^.—Loons. KEY TO SPECIES. A. Tarsus shorter than middle toe without claw.—B, BB. B. Depth of bill at base .90 inch or more.—Common Loon. No. 4. BB. Depth of bill at base .80 inch or less.—Black-throated Loon. (Ap-pendix.)AA. Tarsus longer than middle toe with claw.—Red-throated Loon. No. 5. 4. Loon. Gavia immer (Brunn). (7) Synonyms: Great Nortlicrn Diver, Walloon, Ring-necked Loon, Black-billed Loon,Guinea Duck, Greenhead.—Colynibus imnier, Briinnich, 1764.—Colymbiis imber, Gunn.,1761.—Urinator imber, Stejn., 1885.—Colymbus torquatus and Colynibus glacialis ofmost of the older writers. Figure 4- Readily recognized by its large size, and, in summer, by its green head,checkered black and white back, and white un
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Keywords: ., bookcentury1900, bookdecade1910, bookidmichiganbird, bookyear1912
