File:The birds of Illinois and Wisconsin (1909) (14755731535).jpg

Identifier: birdsofillinoisw00cory (find matches)
Title: The birds of Illinois and Wisconsin
Year: 1909 (1900s)
Authors: Cory, Charles B. (Charles Barney), 1857-1921
Subjects: Birds -- Illinois Birds -- Wisconsin
Publisher: Chicago
Contributing Library: American Museum of Natural History Library
Digitizing Sponsor: Biodiversity Heritage Library

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s Eggs less than .85 inch long Eggs from .85 to .95 inches long Eggs from .95 to 1.50 inches long Eggs from 1.05 to 1.30 inches long Eggs from 1.30 to 2 inches long Eggs more than 2 inches long Nest in hole in tree, stump, or post Eggs less than i inch long Eggs more than i inch long Nest about dwellings and barns Eggs less than i inch long Eggs more than i inch long Nest in open fields, on ground, or in bunch of grass Nest on ground, in woods, in dry places Eggs less than i inch long Eggs more than i inch long Nest in swampy places, in reeds or grass, on ground, or on floating vegetation Part I. Eggs less than i inch long Part 2. Eggs from i to 1.50 inches long Part 3. Eggs more than 1.50 inches long PartPart Part IPart 2Part 3Part 4Part 5Part 6 Section 2.Part IPart 2 Section 3.Part IPart 2 Section 4. Section 5.Part I.Part 2. Section 6. PAGE 726726726727728728728729 729729729730730730730731731731731731732732 732732732734734734734735735735735736736736736736736737737737738 738738738739
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M ni o S o w fO H H _ o A KEY TO THE EGGS OF THE MORE COMMON BIRDS KNOWN TO BREED INNORTHERN ILLINOIS AND SOUTHERN WISCONSIN. GROUP 1 * WHITE EGGS (UNMARKED). SECTION I. NEST ON BRANCHES OF TREES OR BUSHES. PART I. EGGS LESS THAN .60 IN. LONG. Eggs 2. Size, about .50 x .35. Smallest of our birds eggs. Trochiliis coliibris.Ruby-throated Hummingbird. PART 2. EGGS FROM .60 TO .85 IN. LONG. Eggs, 3 to 6. Size, about .66 x .48. Eggs usually showing faintbluish tinge. Nest lined with thistle down, usually from 6 to 25 feetfrom ground. Breeds, July and August. Bird: female, wings and tail,dusky; under parts tinged with yellow. Male, bright yellow; crown,wings, and tail, black. Astragaliniis tristis. American Goldfinch. Eggs, 3 to 4. Size, about .73 x .55. Eggs usually showing faintbluish tinge. Nest not lined with thistle down, usually in crotch ofbush near ground. Breeds, May and June. Bird: female, grayish;wings, dusky; no yellow on under parts. Male, blue; wing and tail,mostly black. Pass

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