Ringing, tracking and counting data reveal five wintering patterns in European Common Shelducks

https://euring.org/system/files/private/publications/Ibis%20-%202023%20-%20Cimiotti%20-%20Ringing%20tracking%20and%20counting%20data%20reveal%20five%20wintering%20patterns%20in%20European%20Common%20Shelducks.pdf