Species: Aythya ferina Date: 2018-04-06 Country: Netherlands
Data resource: Number of sick and dead birds of Anseriformes and Charadriiformes by day submitted to Observation.org in The Netherlands and Belgium between 2016 and 2021 Basis of record: Human observation View record
Species: Aythya ferina Date: 2019-04-01 Country: Netherlands
Data resource: Number of sick and dead birds of Anseriformes and Charadriiformes by day submitted to Observation.org in The Netherlands and Belgium between 2016 and 2021 Basis of record: Human observation View record