URN:catalog:ICE:TRBL:add

Observer: 
Scott Frazer
Observation Date: 
2011-04-15
Best Estimate for Number of Birds Observed: 
20000
Minimum Estimate for Number of Birds Observed: 
10000
Maximum Estimate for Number of Birds Observed: 
22000
Type of Estimate: 
Visual and Untimed
Precision of Estimate: 
Scanning Blocks
Minutes spent at observation site: 
30
Singing: 
No
Carrying Nest Material: 
No
Colony quiet, Incubation inferred: 
Yes
Adults Carrying Food: 
No
Fledglings out of Nest: 
Yes
Distance to Stored Grains: 
less than 100 meters
Distance to Water: 
greater than 100 meters
Area Estimate (square meters): 
24000

Observer had access to the colony and field on 4-11-11 in company of the landowner's representative.