Sources and image credits
Schiermonnikoog at low tide: an autumn day of birds and changing water
Source
Image credits
Mussel beds on the flats near Schiermonnikoog, photographed in 2009.
Photo: PalaeoMal (Tom Meijer) / Wikimedia Commons, CC BY-SA 4.0; resized.
Avocets flying over the mudflats near Schiermonnikoog.
Photo: dewittehaas.nl / Wikimedia Commons, CC BY-SA 4.0; resized.
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