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1by Wilkins, Khristi A., Otto, Mark C., Zimmerman, Guthrie S., Silverman, Emily D., Koneff, Mark D.“... average. Estimated abundances of green-winged teal (A. crecca; 2.9 ± 0.2 million), redheads (Aythya...”
Published 2007
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2by Zimpfer, Nathan, Rhodes, Walt, Silverman, Emily D., Zimmerman, Guthrie, Koneff, Mark D.“... abundance of green-winged teal (A. crecca) was 3.5 ± 0.2 million, which was similar to the 2009 estimate...”
Published 2010
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3by Zimpfer, Nathan, Rhodes, Walt, Silverman, Emily D., Zimmerman, Guthrie, Koneff, Mark D.“...%, respectively; Table 4). Estimated abundances of green-winged teal (A. crecca; 3.4 ± 0.2 million; Table 5...”
Published 2009
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4“...-term averages (+56% and +56%, respectively). Estimated abundances of green-winged teal (A. crecca; 3.0...”
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5“... of green-winged teal (A. crecca; 2.6 ± 0.2 million) was 20% greater than last year and 39% above the long...”
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