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Quiz estimate 95

From SibleyBirds

1. How many terns?

Roseate Tern StellwagenBankMA IMG 5920 2015-09-16 w.JPG
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→ The actual number is 24.

Image details: Roseate Tern - , Massachusetts. 9/16/2015. . Image by David Sibley. link to image

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