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BFS Bird Data on eBird

eBirdMonthly bird survey records for the Bernard Field Station (2001-present) are now available on eBird, a public repository of bird records sponsored by the Cornell Lab of Ornithology and the National Audubon Society.

To view records for the BFS, go to http://www.ebird.org and select ‘View and Explore Data’ from the menu bar at the top. Data can be viewed in a variety of ways; here are the most useful. Note that all the results will give you a ‘Download’ option, which allows you to download the data as an Excel spreadsheet.

  1. View all records summarized as a histogram of sightings by season.

    This is the most informative way to visualize the seasonal occurrence of species at BFS, but does not reflect differences in their abundance (numbers of individuals present).
    • Select ‘bar charts’
    • Select ‘California’ and click the ‘Hotspots in California’ radio button, then click ‘Continue’
    • Check the box beside ‘Bernard Field Station’ and click ‘Continue’ (at the bottom of the page)
  2. View summary tables of numbers of individuals recorded per species per survey date.

    The maximum time period that can be viewed in this manner is one year.
    • Select ‘summary tables’
    • Choose date range (week, month, or year) and start date (default = most recent year)
    • Select ‘Hotspots in this State’ and ‘California, US’, then click ‘Continue’
    • Check the box beside ‘Bernard Field Station’ and click ‘Continue’ (at the bottom of the page)
  3. View all records for a species (dates of occurrence and numbers of individuals recorded).

    • Select ‘maps’
    • Choose one or more species (up to 5) and click ‘Continue’
    • Select ‘Change Location’
    • Select ‘California’ and click the ‘Hotspots in California’ radio button then click ‘Continue’
    • Check the box beside ‘Bernard Field Station’ and click ‘Continue’
    • To view individual records, go to the map and double-click on the pushpin icon; a list of all dates, numbers of individuals seen per date, and observers will appear
    • Default displays the most recent 5 years of data — select ‘Change Date’ to view earlier records

© 2001-2012 Bernard Field Station Faculty Advisory Committee
Page last updated 6 September 2012 by Nancy Hamlett.