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Quiz estimate 18

From SibleyBirds

1. How many murres? (ignore kittiwakes)

Martin Reid estim13aalcidscliff w.jpg
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→ The actual number is 79. total 79 murres.

Image details: Thick-billed Murre, Black-legged Kittiwake - , . . total 79 murres.. Image by Sheridan Coffey. link to image

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