Quiz estimate 108

From SibleyBirds

1. How many White-winged Crossbills?

121124 WWCR w.jpg
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→ The actual number is 214. 214 White-winged Crossbill

Image details: White-winged Crossbill - Salisbury, Massachusetts. 11/24/2012. 214 White-winged Crossbill. Image by Steve Arena. link to image

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