URN:catalog:ICE:TRBL:add

Observer: 
Rodd Kelsey
Location: 
Sunol
Observation Date: 
2011-04-17
Best Estimate for Number of Birds Observed: 
0
Minimum Estimate for Number of Birds Observed: 
0
Maximum Estimate for Number of Birds Observed: 
0
Type of Estimate: 
Visual and Untimed
Precision of Estimate: 
Precise Count
Minutes spent at observation site: 
15

Big pond at cement/gravel mine. Sparse cattails and weedy fields. Red-winged blackbirds around, but no tricolors.