Bureau Waardenburg
Varkensmarkt 9
4101 CK Culemborg
the Netherlands
T: +31 (0) 345 512710
email buwa

Vogelonderzoek
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Specialist Bird Research

Besides the surveying and monitoring of birds in the Netherlands and abroad, we carry out innovative and specialised research on birds. Here we investigate the ecology of certain species or use the latest techniques in our research.

One speciality is the study of habitat use and movements of birds. For such research a number of different technologies can be used alongside the more traditional field methods. Bureau Waardenburg specialises in the use of radar to study the movements of birds, including their numbers, altitudes and flightpaths. Other techniques used include the use of transmitters or data loggers to follow individual birds.

Radio-tags can be used to identify the movements and behaviour of birds, such as the identification of foraging areas or time-budgets of species. Data can be collected either through a remote recording station, such as in a breeding colony, as well as more widely with a hand receiver from foot or the air. For larger species the use of GPS loggers is possible, enabling the collection of precise GPS positions at a much larger scale. For the study of long-distant migrants, satellite transmitters can be used, such as in our projects into the movements of purple herons and bitterns. For smaller species, long-distance movements can be studied using geolocator loggers. We have been involved with geolocator studies on barn swallows, black terns and Arctic terns

Bureau Waardenburg staff have experience in using tracking devices on a range of species, such as herons, geese, ducks, waders, gulls, terns and passerines.  

Another area of specialisation is our research into the breeding ecology of birds. Breeding success and the growth of young can be used to provide an insight into the development of a population. We are currently undertaking this type of research on gulls and terns in various habitats within the Netherlands.

To Research and Monitoring of Birds.

Sandwich terns ringing project

Sandwich terns in the Dutch Delta have been colour-ringed to give information about population dynamics and movements. Sightings range from Scotland t...

Sandwich terns ringing project

Sandwich terns in the Dutch Delta have been colour-ringed to give information about population dynamics and movements. Sightings range from Scotland t...

Common Scoter distribution

Large concentrations of Common Scoters can be found in European coastal waters. Aerial surveys were used to investigated whether prey availability inf...

Pelagic fish and terns

Bureau Waardenburg researchers have developed a method to sample pelagic fish as part of research into breeding terns.

Coastal and Seabird Research

The Dutch North Sea is of great importance for migrating and wintering seabirds, including divers, seaducks, auks, fulmars and kittiwakes. In addition...

Bird research with geolocators

Geolocators are being used more and more frequently in the study of bird migration. We have experience of fitting geolocators and the analysis of data...

Geolocators reveal terns' Australian connection

Geolocators fitted to Arctic terns revealed the longest bird migration route ever recorded.

GPS logger research on cormorants

Foraging ecology of breeding cormorants around a Natura 2000 site near the Maasvlakte 2 is being studied using GPS loggers, pellet analysis and aerial...

Lesser black-backed gulls tracked with GPS loggers

GPS loggers are attached to the bird rather like a backpack, which allows the batteries to charge through small solar panels on the upper part of the ...

Satellite transmitters

In July 2007, work was started to equip several purple herons in the Netherlands with satellite transmitters. On the 17th of April 2010, the first bit...