Schemes including Otus scops

• eBird/Clements Checklist 6.8 Otus scops
• IUCN Red List of Threatened Species. Version 2012.1 Otus scops
• eBird/Clements Checklist 6.7 Otus scops
• IUCN Red List of Threatened Species. Version 2012.2 (106002176) Otus scops
• eBird/Clements Checklist 6.9 Otus scops
• GBIF (2497701) Otus scops
• eBird/Clements Checklist v2017 Otus scops