1 courtship/singing
GPS 51.8816, 4.6522
RDS 104393 432819
Accuracy unknown
Source Site

Sounds

Details

Date 2010-04-10
Number 1
Activity courtship/singing
Life stage unknown
Location Kinderdijk - Hoge Boezem van de Overwaard (ZH)
Observer Hendrik Jan van Dijk
Counting method unknown
Method none
Validated by Marnix Jonker
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