Hebron Slough, 18 Islands Reservoir, Hebron Waterfowl Area

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Grebe Survey Summary

  • Max Adults: 8
  • Year: 2010
  • Most Recent Adults: 8
  • Year: 2010
  • Survey Type: Shore
  • Most Common Threats Reported: N/A
Lake name:
Hebron Slough, 18 Islands Reservoir, Hebron Waterfowl Area
Location:
Colorado
Latitude:
40.56254
Longitude:
-106.35999
Basin type:
reservoir
Management agency:
Bureau of Land Management; private
Comments:
Not much information on this lake, considered very shallow complex.

Surveys (2)

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
    16 May 2010
  • Source
    Report
  • Both Western and Clarks?
    N
Count Type Range Max Year
Max Adults 1 to 100 8 2010
Most Recent Adults 1 to 100 8 2010
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:

Hundertmark is observer. 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:
Giroir, G.P. and T. Leukering. 1999. Breeding distribution and numbers of Eared, Western, and Clark's grebes in Colorado. J. Colorado Field Ornithologists 33:83-90.

  • Type
    shore; boat
  • Time period
    23 May 1998, 28 July 1998
  • Source
    Occasional Paper
  • Both Western and Clarks?
    N
Count Type Range Max Year
Max Adults 0 0 1998
Most Recent Adults 0 0 1998
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:

One of 93 lakes, ponds, and reservoirs surveyed in CO for 3 species of grebes. Not certain this is a breeding lake. May not include.

Sources of Information