Wildness is All Around Us: Notes of an Urban Naturalist |
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Page 146
... feathers to be found on the exterior part of an adult male house sparrow's plumage . The study was based on an examination of eight birds . Only such feathers as formed portions of the exterior coat were counted . Left out were what ...
... feathers to be found on the exterior part of an adult male house sparrow's plumage . The study was based on an examination of eight birds . Only such feathers as formed portions of the exterior coat were counted . Left out were what ...
Page 147
... feathers grow , pterylae , and regions where they do not , apteria . The study of feather patterns is called pterylology . A house sparrow's feathers are of various kinds . The more important sprout from the back , the underbody , the ...
... feathers grow , pterylae , and regions where they do not , apteria . The study of feather patterns is called pterylology . A house sparrow's feathers are of various kinds . The more important sprout from the back , the underbody , the ...
Page 157
... feather into a surface solid yet pliant . The contour feathers , the ones that cover the body , in general have only fluffy barbs that don't interlock ; these grow on the inner part of the rachis . Under them are wispy inner - coat feathers ...
... feather into a surface solid yet pliant . The contour feathers , the ones that cover the body , in general have only fluffy barbs that don't interlock ; these grow on the inner part of the rachis . Under them are wispy inner - coat feathers ...
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adult animals archaeopteryx Ashe's birch automobile avian Barrows report Betula uber bird's birders birds black birch botanists breeding Brooklyn catkins century color coyote coyote's Cressy Creek curled dock decade deer dogs duck early east egg tooth English sparrow example feathers feet female flock flowers fossil Franklinia grain gray wolf house sparrow hunting hybrid inches insects kill known land less lived male house sparrow Manhattan mate Mazzeo million years ago nature nest normally North America northern observed Ogle ornithologist Orygia parents park's Passer domesticus pegmatites percent plants poison population predators present pups range red wolf rock schist Schuberth seeds sheep sheepmen Smyth County southern spar species specimens square miles starling Steller's eider Street territory tion traps tree weaverbirds West western wild wildflowers wildlife wing winter wolves York City young