Glenns Ferry, Snake River

Survey Citation:
This survey as historical data in Cavitt, J. F., S. L. Jones, N. M. Wilson, J. S Dieni, T. S. Zimmerman, R. H. Doster, and W. H. Howe. 2014. Atlas of breeding colonial waterbirds in the interior western United States. Research Report, U.S. Department of the Interior, Fish and Wildlife Service, Denver, Colorado.

• Type
  shore
• Time period
  3 June 1993
• Source
  Report
• Both Western and Clarks?
  N

Count Type	Range	Max	Year
Max Adults	1 to 100	6	1993
Most Recent Adults	1 to 100	6	1993
Max Nests	1 to 100	5	1993
Most Recent Nests	1 to 100	5	1993
Max Chicks	N/A	N/A	N/A
Most Recent Chicks	N/A	N/A	N/A

Comments:

Snake River, Slick Bridge area. Source (Trost) is J. Klott. High water may have resulted in nest abandonment. Not sure how this is determined as Clark's without observing adults. Cavitt doubles the 3 nests to estimate # of breeding birds as 6. Since Trost didn't have adult #s, I entered this estimate. The June 3, 1993 survey is also included in G. Ivey's ID Waterbird Atlas spreadsheet for his work with Region 1 - Non Game. In Ivey's spreadsheet, the median number for range of nests is reported as 4 and estimated # of breeding birds at 8 (conversion factor of nests by 2).