URN:catalog:ICE:TRBL:add

Observer: 
William E Haas
Location: 
Basin Hollow Creek
Observation Date: 
2011-04-16
Best Estimate for Number of Birds Observed: 
2050
Minimum Estimate for Number of Birds Observed: 
1850
Maximum Estimate for Number of Birds Observed: 
2250
Affirmative Zero: 
Birds present
Type of Estimate: 
Visual and Untimed
Precision of Estimate: 
Scanning Blocks
Minutes spent at observation site: 
45
Breeding: 
Yes
Distance to Stored Grains: 
greater than 500 meters
Distance to Water: 
water adjacent

Ownership: Private (cattle ranch)
Colony: Yes
Stored Grains Present: No
Primary Substrate: Himalayan blackberry (Rubus armeniacus)
Secondary Substrate: bulrush or tule (Schoenoplectus spp.)

Linearly distributed along Basin Hollow Creek for more than than 0.8 mi (1.3 km), the center of this breeding colony is located on the south side of Whitmore Road, 4.6 miles northeast of the village of Millville, Shasta County, California.