© Marcel Burkhardt

Population trends

The Swiss Ornithological Institute documents population trends of birds in a changing environment.

Projects

Effects of climate change on birds in Switzerland

Climate and available habitats are the most important factors determining the distribution and abundance of birds in Swi ...

Effects of climate change on birds in Switzerland

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Swiss Bird Index SBI®

Birds are considered reliable indicators for changes in the environment and its habitats. An individual species’ increas ...

Swiss Bird Index SBI®

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