URN:catalog:ICE:TRBL:1420

Observer: 
Rich DeHaven
Location: 
South Afton
Observation Date: 
1974-06-04
Best Estimate for Number of Birds Observed: 
7500
Minimum Estimate for Number of Birds Observed: 
7000
Maximum Estimate for Number of Birds Observed: 
8000
Type of Estimate: 
Visual and Untimed
Precision of Estimate: 
Unknown

Size of colony approximately 0.25 acres in tules. Incubation stage of nesting; some eggs may have already hatched by observation of adults flying to and from nests.