Why can't birds figure out the reflection is not another bird?
I mean, I understand not realizing it at first, but after you've hit the window 20+ times, and it never moves, you would think they would figure it out ....
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There was a hummingbird hovering outside our glass door last week. We were trying to decide whether it was looking at itself or the reflection of the flowers behind it. It left and came back several times.
