Schemes including Bubo bubo

• eBird/Clements Checklist 6.8 Bubo bubo
• IUCN Red List of Threatened Species. Version 2012.1 Bubo bubo
• eBird/Clements Checklist 6.7 Bubo bubo
• IUCN Red List of Threatened Species. Version 2012.2 (106002215) Bubo bubo
• eBird/Clements Checklist 6.9 Bubo bubo
• GBIF (5959092) Bubo bubo
• eBird/Clements Checklist v2017 Bubo bubo