Species: Cygnus olor Date: 2017-02-01 Country: Belgium
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: Cygnus olor Date: 2019-11-01 Country: Belgium
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: Cygnus olor Date: 2021-02-01 Country: Belgium
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