Wild Horse Reservoir

Survey Citation:
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
  27 June 2009, 4 July 2011
• Source
  Report
• Both Western and Clarks?
  N

Count Type	Range	Max	Year
Max Adults	1 to 100	14	2010
Most Recent Adults	1 to 100	3	2011
Max Nests	1 to 100	2	2009
Most Recent Nests	1 to 100	2	2009
Max Chicks	N/A	N/A	N/A
Most Recent Chicks	N/A	N/A	N/A

Comments:

Tilly was observer. The 3 in 2011 are considered non-breeding. Conducted as part of Western Colonial Waterbird Survey (WCWS), a breeding survey of 18 species from May to July 2009 to 2011, resulting in this Atlas. Survey date given here is the only date provided.

Survey Citation:
Appendix 1 of Western Colonial Waterbird Surveys 2009-2011. Montana Fish, Wildlife, and Parks.

• Type
  boat
• Time period
  2009
• Source
  Report
• Both Western and Clarks?
  N

Count Type	Range	Max	Year
Max Adults	1 to 100	4	2009
Most Recent Adults	1 to 100	4	2009
Max Nests	N/A	N/A	N/A
Most Recent Nests	N/A	N/A	N/A
Max Chicks	N/A	N/A	N/A
Most Recent Chicks	N/A	N/A	N/A

Comments:

Part of the Western Colonial Waterbird Monitoring and Inventory (WCWS), this data is from Appendix 1. Wetland sites visited for colonial-nesting waterbirds in Montana, 2009-2011. Numbers represent estimated number of breeding birds. I have no narrative report nor other details.