1 flying over
Archief R. Vlek
Marken (NH)
Accepted (with evidence)
GPS 52.4610, 5.1359
RDS 137919 497060
Accuracy 100m
Source Site
photo for observation

waargenomen door A.N. Swart en P.C. Meijer (Med.blad KNNV VWGA 6 nr. 2 p. 18).


Date 1968-04-27
Number 1
Activity flying over
Life stage unknown
Location Marken (NH)
Observer Archief R. Vlek
Counting method real count
Method none
Validated by Merijn Loeve
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