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Quiz estimate 107

From SibleyBirds

1. How many grackles?

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Enter your answer here:
→ The actual number is 772. 772 Great-tailed Grackles

Image details: Great-tailed Grackle - Thornwell, Louisiana. 10/23/2013. 772 Great-tailed Grackles. Image by Steve Arena. link to image

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