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.
IUCN. 2020. The IUCN Red List of Threatened Species. Version 2020-3. Available at: https://www.iucnredlist.org. (Accessed: 10 December 2020).
Partners in Flight. 2019. Avian Conservation Assessment Database, version 2019. Available at: http://pif.birdconservancy.org/ACAD.
Tracewski, L.; Butchart, S.H.M.; Di Marco, M.; Ficetola, G.F.; Rondinini, C.; Symes, A.; Wheatley, H.; Beresford, A.E. and Buchanan, G.M. 2016. Toward quantification of the impact of 21st-century deforestation on the extinction risk of terrestrial vertebrates. Conservation Biology 30(5): 1070-1079.
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Recommended citation
BirdLife International (2024) Species factsheet: Black Hawk-eagle Spizaetus tyrannus. Downloaded from
https://datazone.birdlife.org/species/factsheet/black-hawk-eagle-spizaetus-tyrannus on 24/11/2024.
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 24/11/2024.