200 present
GPS 52.1538, 4.6315
RDS 103285 463118
Accuracy 29m
Source Site
photo for observation


Date 2024-02-12 12:26
Number 200
Activity present
Life stage unknown
Location Alphen aan den Rijn - Vrouwgeest Polder (ZH)
Observer Maarten Heckman
Counting method seen not counted
Method seen
Validated by Frank van der Meer
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