URN:catalog:ICE:TRBL:add

Observer: 
Scott Frazer
Observation Date: 
2011-04-15
Best Estimate for Number of Birds Observed: 
550
Minimum Estimate for Number of Birds Observed: 
500
Maximum Estimate for Number of Birds Observed: 
750
Type of Estimate: 
Visual and Untimed
Precision of Estimate: 
Scanning Blocks
Minutes spent at observation site: 
25
Singing: 
No
Carrying Nest Material: 
No
Colony quiet, Incubation inferred: 
Yes
Adults Carrying Food: 
No
Fledglings out of Nest: 
No
Distance to Stored Grains: 
greater than 500 meters
Distance to Water: 
over water
Area Estimate (square meters): 
500

This colony has been established in the recent 2-3 weeks.
Previous visits did not find TRBL established in this site.