Samples of free ranging live birds in the Netherlands, 2016-2022. These samples are part of a surveillance program for arboviruses in birds in the Netherlands, 2016-2022. Here we offer sera, swabs (pooled throat and cloaca) and feathers of wild birds. Location, date of sampling and species information is available. Further information on the individual birds as well as test results can be found in the serology section of this portal, or can be provided upon request.