Side by side compare - American Tree Sparrow
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American Tree Sparrow |
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American Tree Sparrow |
SY/FCU-U Mar 16 NA_1489 |
| Age: Second_year |
Molt class: FCU- First Unknown Plumage |
| Sex: Unknown |
Contributor: Lauren Granger |
| Date: 2016 Mar 16 |
Location: USA, PA,Powdermill Avian Research Center |
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Image #3914; Head (Contributed)
File # 127952
Photographer: Lauren Granger
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