• Summary
• Text account
• Data table and detailed info
• Distribution map
• Reference and further resources

Recommended citation
BirdLife International (2024) Species factsheet: Long-eared Owl Asio otus. Downloaded from https://datazone.birdlife.org/species/factsheet/long-eared-owl-asio-otus on 26/12/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from https://datazone.birdlife.org/species/search on 26/12/2024.