Quiz estimate 27

From SibleyBirds

1. How many Black Skimmers?

Martin Reid estim25askimmerslandingLAGUs w.jpg
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→ The actual number is 165. 165 Black Skimmers

Image details: Black Skimmer, Ring-billed Gull, Laughing Gull, Herring Gull - , . . 165 Black Skimmers. Image by Martin Reid. link to image

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