I have recived message from Witold Cieselka about his very nice recovery of the Mallard. He read Czech duck (N. MUSEUM PRAHA C 88977) on Wislok river in Rzeszow. Interestingly the bird was ringed in the city centre of Praha.
fot. Witold Ciesielka
fot. Witold Ciesielka
fot. Witold Ciesielka