Browns Lake

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
  21 June 2009
• Source
  Report
• Both Western and Clarks?
  N

Count Type	Range	Max	Year
Max Adults	1 to 100	5	2009
Most Recent Adults	1 to 100	5	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:

Paige and Kelly are observers. 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:
Table 1 of Western Colonial Waterbird Surveys 2009-2016. Montana Fish, Wildlife, and Parks.

• Type
  boat
• Time period
  2014, 2016
• Source
  Report
• Both Western and Clarks?
  N

Count Type	Range	Max	Year
Max Adults	1 to 100	presence	2014-2016
Most Recent Adults	1 to 100	presence	2016
Max Nests	1 to 100	16	2015
Most Recent Nests	1 to 100	13	2016
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 Table 1. Number of nests at top annually monitored sites for selected species, 2009-2016. Western grebes are a non-targeted species. I have no narrative report nor other details. Four sites are in this table. No counts 2009 through 2013.

Survey Citation:
Tilly, F. 2017. Colonial Nesting Waterbird Surveys for Montana. Montana Audubon.

• Type
  boat
• Time period
  2015, 2017
• Source
  Report
• Both Western and Clarks?
  N

Count Type	Range	Max	Year
Max Adults	see comments	?	2015-2017
Most Recent Adults	1 to 100	?	2017
Max Nests	N/A	N/A	N/A
Most Recent Nests	N/A	N/A	N/A
Max Chicks	N/A	?	2015-2017
Most Recent Chicks	N/A	?	2017

Comments:

Table 1 with data was not included in this narrative report for 2017. Report says post-fledging counts were conducted at two Brown's Lake Complex sites from 2015 to 2017 but does not say number nor any other details. This entry to capture that brood surveys were conducted.