More than 2 billion passerines migrate from their European breeding grounds to their residence areas in sub-Saharan Afri ...
Phenology of migration
Migratory birds can host a large variety of parasites. Understanding the mechanisms of host-parasite-interactions is com ...
Migration ecology and bird health
Radar is the only technology which allows recording bird migration continuously over long time periods and across all he ...
Each autumn thousands of migrants cross the Col de Bretolet, a pass located in the Swiss Alps. In the year 1958 a ringin ...
Surveillance of (bird) migration on Col de Bretolet
Satellite based positioning systems for unraveling migration are still too heavy for passerines. Only recently, a more l ...
Tracking devices: miniaturized geolocators
Data from geolocators are often noisy which makes their analysis challenging. To improve the objectivity and the repeata ...
Analysis tools: Geolocation by light
Different types of data contain different fragmented information about where birds go and in what numbers they go there. ...
Analysis tools: Ring re-encounter analysis
The majority of migrating birds choose to travel in high altitudes at night. Although their calls can be sometimes heard ...
Analysis tools: Moonwatching
During migration, movement periods alternate with periods on stop-over sites, where birds accumulate body reserves for t ...
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