Observation Date:
2011-04-16
Best Estimate for Number of Birds Observed:
4000
Minimum Estimate for Number of Birds Observed:
3000
Maximum Estimate for Number of Birds Observed:
5000
Type of Estimate:
Visual and Untimed
Precision of Estimate:
Area / Nest Density
Minutes spent at observation site:
30
Carrying Nest Material:
Yes
Colony quiet, Incubation inferred:
No
Fledglings out of Nest:
No
Distance to Water:
over water
Area Estimate (square meters):
9
Only northern portion of marsh