What is a Season Summary sheet?
  • A Season Summary reports a set of important nesting statistics describing the
    combined reproductive success of the Tree Swallows at your project that year.  
    Click link to see an example and also see example below.  
  • Summaries usually also include a narrative or list of situations or events that
    occurred that season which may have influenced nesting and should be
    recorded for future reference.  
  • Obviously, Season Summaries are compiled after the season is completed.

The Season Summary sheet offered here includes the following fields:
  • Boxes and Nesting Attempts:
  Number of boxes available
  Number of Boxes Used
  Percent of Boxes Used
  Number of Nesting Attempts (boxes may have more than one)
  • Eggs:
  First egg date at the project
  Number laid
  Average clutch size
  Clutch Range (from lowest number to highest number of eggs
  Clutch Mode (most common number of eggs)
  • Nestlings:
  Total number of eggs that hatched
  Percent of eggs that hatched
  Causes of egg mortality (takeovers, thrown out, broken, unknown)
  Average brood size (young per nest at hatch)
  Brood Range at hatch (from lowest to highest number of young)
  Brood Mode at hatch (most common number of young)
  Number of living nestlings on day 12
  Average brood at day 12
  Brood Range at day 12
  Brood Mode at day 12
  • Fledging:
  Number of nestlings that fledged
  Percent of eggs laid that fledged
  Percent of nestlings hatched that fledged
  Causes of nestling mortality when known
  • Weather Factors:  
  Brief summary of weather trends during nesting.
  • Other/Remarks:  Whatever else you want to add regarding the season.  This
    could be unusual events or behaviors, different things you tried to improve the
    project, issues you explored or dealt with, etc.










































                                                             
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Season Summaries for Tree Swallow Projects
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