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Showing 1 - 2 results of 2 for search '"flocks of birds"', query time: 0.40s Refine Results
  1. 1
    by Darling, Frank Fraser
    Published 1938
    “... of winter groups and migratory flocks in autumn and the unifying element in them. And why do breeding flocks...”
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    Doctoral or Postdoctoral Thesis
  2. 2
    Published 1991
    “..., As it finally melts winters last flake. As flocks of birds return to sing, Every living beast celebrates spring...”
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    Journal/Newspaper
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