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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. 2021. The IUCN Red List of Threatened Species. Version 2021-3. Available at: https://www.iucnredlist.org. (Accessed: 09 December 2021).

Partners in Flight. 2019. Avian Conservation Assessment Database, version 2019. Available at: http://pif.birdconservancy.org/ACAD.

Search for photos and videos, and hear sounds of this species from the Macaulay Library

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Recommended citation
BirdLife International (2024) Species factsheet: California Gnatcatcher Polioptila californica. Downloaded from https://datazone.birdlife.org/species/factsheet/california-gnatcatcher-polioptila-californica on 30/12/2024.
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 30/12/2024.