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A Red-winged Blackbird nest was found at the south end of Chicago's Lincoln Park North Pond on July 4, 2007. The nest was built in a stand of Saw-tooth Sunflower (Helianthus Grosseserratus M. Martens). These fast-growing plants grow up to 3 meters in height, and bloom beginning in July. When the nest was started it was likely well-concealed in dense vegetation; however, with the nest taking 3-6 days to construct, and a 10-12 day incubation period, the rapid growth of the sunflowers resulted in the nest being well out in the open. At the time the nest was discovered, the female was making regular visits to the nest with food, but the offspring could not be seen. Presumably they were still quite small and hidden in the bowl built of rushes. This image was taken July 8, my first opportunity to return to the nest.
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7/8/07 8:07 AM
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