High density of breeding Common Sandpipers Actitis hypoleucos in the Middle Vistula River, Poland
67 – 68
1 April 19
Marek Elas, Włodzimierz Meissner
Avian Ecophysiology Unit, Department of Vertebrate Ecology & Zoology, Faculty of Biology, University of Gdańsk, Wita Stwosza 59, 80-308 Gdańsk, Poland
During field studies of the breeding ecology of Common Sandpipers in the Middle Vistula River in Central Poland, the authors noted a high density of displaying males, especially on one island. The authors propose four possible explanations for the unusual high density.