Bird data

Within the Netherlands, Sovon utilizes bird-monitoring networks to study the trends and the distributions of bird species. Furthermore, changes in distribution of breeding birds and wintering birds are systematically surveyed with periodic nationwide surveys.

Species-specific information 

Sovon’s population trends at the national, provincial, and regional level are available online

Bird atlas

It is possible to consult Sovon distribution maps via These maps are based on the most recent Atlas project (2012 – 2016). We expect to publish detailed maps accompanied with explanations of the trends in 2018. Our unique atlas datasets are already being utilized for spatial modeling at the regional level, with a focus on habitat and hotspots analysis.    

Service point

Data collected within the national and provincial bird networks are, providing the application is made in accordance with the agreement with the field observer, available on request via the Dutch National Database Flora en Fauna. Individual requests for data should be applied for by the Nature service point. 

What can we do for you

For additional questions about bird distribution overview such as the organization of the physical environment, as well ass the significance and potential applications of these maps, can be asked via our contact form.