The Cornell Lab Bird Academy Discussion Groups Community Forum Bird dispersal after fledging.

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    • Darren
      Chirps: 5
      We feed goldfinches and see large populations (50+). I understand the effect of molting and birds seem to disappear. That doesn't explain the drop in numbers as fall approaches. Is there an explanation?
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    • GBird
      Chirps: 25
      i think some goldfinches do migrate while others don't. that would explain it.
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