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Quiz estimate 100

From SibleyBirds

1. How many ibises?

141026 Ibis w.jpg
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→ The actual number is 1497. 1497 dark ibises, Presumably mostly White-faced Ibis with at least some Glossy Ibis included

Image details: White-faced Ibis - Welsh, Louisiana. 10/26/2014. 1497 dark ibises, Presumably mostly White-faced Ibis with at least some Glossy Ibis included. Image by Steve Arena. link to image

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