Sources and image credits
In Waalenburg, steel birds show the way
Source
Image credits
The De Marel nature centre in Waalenburg.
Photo: Agaath / Wikimedia Commons · CC BY-SA 4.0 · Image source
A black-tailed godwit at Natuurcentrum De Marel.
Photo: Agaath / Wikimedia Commons · CC BY-SA 4.0 · Image source