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Field Sparrow
Spizella pusilla
Order
PASSERIFORMES
– Family
EMBERIZIDAE
Authors: Carey, M., D. E. Burhans, and D. A. Nelson
Revisors: Carey, Michael

Figure 7. Change in relative abundance of Field Sparrows breeding in the United States and southern Canada, 1966-2003.

by Stacy Oborn — last modified 2009-03-31 08:25
Figure 7. Change in relative abundance of Field Sparrows breeding in the United States and southern Canada, 1966-2003.
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