Quiz estimate 142

From SibleyBirds

1. How many black birds?

ConcordMA IMG 7210 2015-10-21 w.JPG
Enter your answer here:
→ The actual number is 63. about 63 black birds

Image details: Common Grackle, Red-winged Blackbird, European Starling, Ring-billed Gull, Rock Pigeon, Canada Goose - Concord, Massachusetts. 10/21/2015. about 63 black birds. Image by David Sibley. link to image

Your score is 0 / 0

Try another quiz in a general range of numbers:

Learn more about estimating numbers

Add a comment

Bubo scandiaca 054 forprint thumb.jpg
For birding info, books, prints, original art, and more