Bulletin, Issues 1-71940 - Natural history |
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Page 30
... unsheathed there is practically no streaking on the crown and hind neck , and the streaks of the underparts have ... unsheathing of the feathers . A specimen which shows these features admirably is a female taken at George Reserve on ...
... unsheathed there is practically no streaking on the crown and hind neck , and the streaks of the underparts have ... unsheathing of the feathers . A specimen which shows these features admirably is a female taken at George Reserve on ...
Page 31
... unsheathed . The juvenal plumage is usually held as a comparatively complete plumage at least until the juvenal flight feathers are of full length . The postjuvenal molt , which very probably begins in midsummer in young of the first ...
... unsheathed . The juvenal plumage is usually held as a comparatively complete plumage at least until the juvenal flight feathers are of full length . The postjuvenal molt , which very probably begins in midsummer in young of the first ...
Page 33
... unsheathed , but the primaries , secondaries , and tertials appear to be of the juvenal plumage . Melospiza melodia beata Bangs . Mississippi Song Sparrow ( Plate VIII ) . The " sepia - brown " natal down ( Dwight , 1900 , p . 201 ) is ...
... unsheathed , but the primaries , secondaries , and tertials appear to be of the juvenal plumage . Melospiza melodia beata Bangs . Mississippi Song Sparrow ( Plate VIII ) . The " sepia - brown " natal down ( Dwight , 1900 , p . 201 ) is ...
Contents
Foreword | 5 |
General and Miscellaneous | 11 |
Eastern House Wren | 18 |
Copyright | |
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appearance August Barred Owl bird-house Birmingham moraine Bloomfield Hills Bloomfield township body plumage brood brown buffy chickadee color Cranbrook Area CRANBROOK INSTITUTE days old deposits drift Dwight east Eastern esker feet female Field Sparrow fluffy fluorescence Fort Wayne moraine frontis George Miksch Sutton glacial glacier Grasshopper Sparrow gravel heavily streaked Henslow's Sparrow Huron ice border ice sheet Inner Defiance Moraine INSTITUTE OF SCIENCE July juvenal feather juvenal flight feathers juvenal plumage Lake Maumee late light lobe male Mastodon material middle mile minerals natal nestling plumage nestling-stage northeast northwest outwash PLATE Pleistocene postjuvenal molt begins postjuvenal plumage prairie deer-mouse prenuptial molt rectrices region ridge scapulars SCIENCE BLOOMFIELD HILLS Song Sparrow southeast southern Michigan Southfield southwest species specimens spits superciliary Swamp Sparrow tail trees Troy township ultra-violet underparts University of Michigan Vesper Sparrow vibrating waves Wayne moraine Whittlesey winter plumage wood woodpeckers wren young bird