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Quiz estimate 97

From SibleyBirds

1. How many Sanderlings?

130914 SAND w.jpg
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→ The actual number is 319. 318 Sanderling, 1 Dunlin

Image details: Sanderling, Dunlin - Westport, Massachusetts. 9/14/2014. 318 Sanderling, 1 Dunlin. Image by Steve Arena. link to image

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