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Posted by Ken Schneider on 20:57:07 12/23/10
In Reply to: Huge flock of Tree Swallows-- how many??? posted by Ken Schneider
Since I had 5 comparable photos that included about 25,000 birds, and I probably sampled only about 10% of the flock, there may have been as many as 250,000 Tree Swallows in the visible portion of that flock.
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