![]() |
Monitoring common breeding birds
Since 1999, the populations of about 150 breeding bird species are surveyed in 267 1-km squares laid out as a representative grid across
... |
![]() |
Monitoring wintering waterbirds
Since 1967 waterbirds are counted throughout Europe and in adjacent regions. This international waterbird census is coordinated by
... |
![]() |
Information service - Monitoring rare breeding and visiting birds
Our Information service receives about 400,000 chance observations every year from volunteer birdwatchers all over Switzerland. For many
... |
![]() |
Swiss Breeding Bird Atlas
The Swiss Breeding Bird Atlas 2013-2016 will accurately depict the distribution and density of all Swiss breeding birds. |
![]() |
Monitoring breeding birds in wetlands
For the monitoring of population trends of bird species inhabiting small and localised habitats, special schemes are needed, as for
... |