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Flight feathers |
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| Nick Longrich of the University of Calgary started wondering if Archaeopteryx might have used leg feathers for flying after researchers in China found a fossil of a ancient bird that had long flight feathers on both its wings and its legs. We describe the results of WNV isolation attempts from cloacal swabs, kidney and spleen pools, and the flight feathers containing vascular pulp (6) of dead American Crows (Corvus brachyrhynchos) and Blue Jays (Cyanocitta cristata) that were found in the field and suspected of being WNV infected. The same follicles that generate downy feathers on a newly hatched bird can end up producing flight feathers later in the bird's life. |
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