Retrapping Adults for Survival (RAS)

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RAS download
Homer the blackbird

Several RAS projects are studying
survival of Blackbirds in urban habitats

 

New!
Two pieces of RAS research published recently are available to view online:

  • Seasonal variation in survival rates of suburban Blackbirds in Norfolk - download the pdf
  • Survival rates of hirundines in relation to rainfall in Britain and Africa - download the pdf