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Bird, J.P., Martin, R., Akçakaya, H.R., Gilroy, J., Burfield, I.J., Garnett, S.G., Symes, A., Taylor, J., Şekercioğlu, Ç.H. and Butchart, S.H.M. 2020. Generation lengths of the world’s birds and their implications for extinction risk. Conservation Biology 34(5): 1252-1261. DOI: 10.1111/cobi.13486.

IUCN. 2022. The IUCN Red List of Threatened Species. Version 2022-1. Available at: https://www.iucnredlist.org. (Accessed: 21 July 2022).

Olson, S. L. 2012. A new species of small owl of the genus Aegolius (Aves: Strigidae) from Quaternary deposits on Bermuda. Proceedings of the Biological Society of Washington 125(2): 97–105.

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Recommended citation
BirdLife International (2025) Species factsheet: Bermuda Saw-whet Owl Aegolius gradyi. Downloaded from https://datazone.birdlife.org/species/factsheet/bermuda-saw-whet-owl-aegolius-gradyi on 02/01/2025.
Recommended citation for factsheets for more than one species: BirdLife International (2025) IUCN Red List for birds. Downloaded from https://datazone.birdlife.org/species/search on 02/01/2025.