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State of Birds 2023

The annual publication “The State of Birds in Switzerland” summarises the results of our various monitoring projects, conducted with the support of more than 2000 volunteers in all parts of the country. The 2023 report focuses on environmental factors that affect our bird communities, such as extreme weather events and climate change. It also explores trends in species whose populations have increased in Switzerland or Europe in recent years.

Explore the following links to find interactive graphics from the Swiss Bird Index SBI® and the breeding bird index for each species up until 2022 as well as additional results and publications:


Swiss Bird Index SBI® Breeding bird index 


Recommended citation State of Birds 2023 online:

Moosmann, M., N. Auchli, T. Kuzmenko, T. Sattler, H. Schmid, B. Volet, S. Wechsler & N. Strebel (2023): The State of Birds in Switzerland : Report 2023 www.vogelwarte.ch/state. Swiss Ornithological Institute, Sempach.

State of birds 2023

The State of Birds in Switzerland: Report 2023