URN:catalog:ICE:TRBL:2202
June 15, 2008 - 11:21pm — egraves
Observer:
J.T. Emlen
Location:
Arboga
Observation Date:
1940-05-01
Best Estimate for Number of Birds Observed:
22500
Type of Estimate:
Nest Estimate
Precision of Estimate:
Unknown Emlen reported observing 15000 nests during the spring of 1940.
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