1. Home
  2. Lakes
  3. Mud Lake, Malheur National Wildlife Refuge

Mud Lake, Malheur National Wildlife Refuge

View on Full Map View Surveys (3) View Sources (2)
Lake name:
Mud Lake, Malheur National Wildlife Refuge
Location:
Oregon
Latitude:
43.2612195
Longitude:
-119.0137756
Basin type:
non-reservoir
Management agency:
U.S. Fish and Wildlife Service
Region associations:
Harney Basin; Malheur National Wildlife Refuge; Warm Springs Valley; Great Basin; Northern Basin and Range
Comments:
Between Harney Lake and Malheur Lake. Overflow from Malheur Lake flows into Mud Lake and Harney Lake.

Summary of Surveys (3)

Survey Citation:
Ivey, G. 2006. Atlases of waterbird nesting sites for California, Idaho, Oregon and Washington. Region 1 Non Game Program, U.S. Fish and Wildlife Service, Portland, Oregon.

  • Type
    shore
  • Time period
    1980
  • Source
    Database
  • Both Western and Clarks?
    N
Count Type Range Max Year
Max Adults 1 to 100 20 1980
Most Recent Adults 1 to 100 20 1980
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:

Number of pairs from actual count.

Survey Citation:
Ivey, G., Western grebe colony locations and nest estimates, Harney Basin, Oregon.

  • Time period
    1980, 1983
  • Source
    Database
  • Both Western and Clarks?
    N
Count Type Range Max Year
Max Adults 101 to 500 presumably <500 1983
Most Recent Adults 101 to 500 presumably <500 1983
Max Nests 101 to 500 200 1983
Most Recent Nests 101 to 500 200 1983
Max Chicks N/A N/A N/A
Most Recent Chicks N/A N/A N/A

Comments:

Excel spreadsheet of Western grebe colony locations and nest estimates in Harney Basin during Ivey's time as a biologist at Malheur NWR. Adult count numbers not provided, entered as closest bin estimate for indexing.

Survey Citation:
Ivey, G. 2006. Atlases of waterbird nesting sites for California, Idaho, Oregon and Washington. Region 1 Non Game Program, U.S. Fish and Wildlife Service, Portland, Oregon.

  • Type
    air
  • Time period
    3 August 1983
  • Source
    Database
  • Both Western and Clarks?
    N
Count Type Range Max Year
Max Adults 101 to 500 400 1983
Most Recent Adults 101 to 500 400 1983
Max Nests 101 to 500 200 1983
Most Recent Nests 101 to 500 200 1983
Max Chicks N/A N/A N/A
Most Recent Chicks N/A N/A N/A

Comments:

Referred to in Ivey as Mud Lake 2. Observer rounded from highest nest count number for estimates.

Sources of Information

« Previous Back to Browse Next »