Havasu National Wildlife Refuge including Topock Marsh
- Lake name:
- Havasu National Wildlife Refuge including Topock Marsh
- Location:
- California; Arizona
- HydroLAKE ID:
- 9392
- GRanD ID:
- 629
- Latitude:
- 34.74334
- Longitude:
- -114.4949617
- Surface area (km2):
- 16.2
- Basin type:
- non-reservoir
- Management agency:
- U.S. Fish and Wildlife Service; Bureau of Reclamation
- Region associations:
- Bill Williams River; Colorado River Aqueduct; Lake Havasu State Park; Central Arizona Project; Havasu NWR
- Comments:
- This refuge was originally named Havasu Lake National Wildlife Refuge and includes 30 miles of the Lower Colorado River through the Topock Gorge. Within the refuge, Topock Marsh spans 4000 acres and provides important habitat for migratory birds.
Summary of Surveys (1)
Survey Citation:
Manning, A. 2006. Colony list, unpublished data.
-
Time period
June to September, 2006 or prior -
Source
Summary -
Both Western and Clarks?
Y
| Count Type | Range | Max | Year |
|---|---|---|---|
| Max Adults | 1 to 100 | presence | 2006 or prior |
| Most Recent Adults | 1 to 100 | presence | 2006 or prior |
| Max Nests | 1 to 100 | presence | 2006 or prior |
| Most Recent Nests | 1 to 100 | presence | 2006 or prior |
| Max Chicks | N/A | N/A | N/A |
| Most Recent Chicks | N/A | N/A | N/A |
Comments:
Unpublished data from Ann Manning with the Utah Division of Wildlife, forwarded by Gary Ivey. Ivey said year saved was 2006 but otherwise unknown when this list was determined by Manning, hence year noted as 2006 or prior. This is on a list of known colonies of Western and Clark's grebes. Surveys conducted June through September. No year nor other info provided.