URN:catalog:ICE:TRBL:add

Observer: 
Robert Stafford
Observation Date: 
2011-04-16
Best Estimate for Number of Birds Observed: 
194
Minimum Estimate for Number of Birds Observed: 
194
Maximum Estimate for Number of Birds Observed: 
194
Type of Estimate: 
Visual and Untimed
Precision of Estimate: 
Precise Count
Minutes spent at observation site: 
45
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: 
water adjacent
Area Estimate (square meters): 
6600

26 females and 168 males observed on western edge of pond. Northern Harrier observed foraging over colony on several occassions and this bird may be nesting along eastern edge of pond. Substrate (cattails and tules) is senescing at this colony. Thousands (2,000+) of birds were observed in and around this location post fledging in 2010 but no efforts were made to get a good estimate.