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URN:catalog:ICE:TRBL:add

April 25, 2012 - 8:39am — lsparks
Observer: 
Lara Sparks
Data Source: 
County Survey 2012 (Unpublished)
Observation Date: 
2012-04-19
Best Estimate for Number of Birds Observed: 
1200
Minimum Estimate for Number of Birds Observed: 
900
Maximum Estimate for Number of Birds Observed: 
1500
Type of Estimate: 
Visual and Untimed
Precision of Estimate: 
Scanning Blocks
Minutes spent at observation site: 
20
Singing: 
No
Carrying Nest Material: 
No
Adults Carrying Food: 
No
Fledglings out of Nest: 
No
Distance to Stored Grains: 
grains adjacent
Distance to Water: 
greater than 100 meters
Area Estimate (square meters): 
241

Observed by Tommy Grove, tjgrove@dfg.ca.gov
Surveyed with a spotting scope from Central Ave. (about 875 m away) and could not ID males & females. Very large colony with lines of birds moving from colony to feeding area or drinking area. Difficult to make out all the birds.