URN:catalog:ICE:TRBL:3818

Observer: 
Joe Engler
Location: 
Twisselman Road #2
Observation Date: 
1994-04-23
Best Estimate for Number of Birds Observed: 
4000
Type of Estimate: 
Visual and Untimed
Precision of Estimate: 
Scanning Blocks

500 individuals from colony foraging in barley. Nesting in cattails. Population estimate from the number flying.

(data from 1994 survey report and CNDDB)