Numbers of waterbirds on the Bay of Gdańsk between September 2015 and April 2016

Włodzimierz Meissner, Andrzej Kośmicki, Sabina Kaszak, Grzegorz Zaniewicz, Adam Janczyszyn

Ornis Polonica 2016, 57: 228–233

https://doi.org/10.12657/ornis.2016.3.6

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