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.
Cheke, R. A.; Mann, C. F.; Allen, R. 2001. Sunbirds: a guide to the sunbirds, flowerpeckers, spiderhunters and sugarbirds of the world. Christopher Helm, London.
Cheke, R., and Mann, C. 2020. Apo Sunbird (Aethopyga boltoni), version 1.0. In: S. M. Billerman, B. K. Keeney, P. G. Rodewald, and T. S. Schulenberg (eds), Birds of the World, Cornell Lab of Ornithology, Ithaca, NY, USA.
Global Forest Watch. 2020. Interactive Forest Change Mapping Tool. Available at: http://www.globalforestwatch.org/.
IUCN. 2020. The IUCN Red List of Threatened Species. Version 2020-3. Available at: https://www.iucnredlist.org. (Accessed: 10 December 2020).
Mohagan, A.B.; Nuñeza, O.M.; Gracia, Jr. A.G.; Selpa, E.C.T.; Escarlos Jr. J.A.; Baguhin, L.J.B.; Coritico, F.P.; Amoroso, V.B. 2015. Species Richness of Avifauna in Four Long Term Ecological Research Sites in Mindanao, Philippines. Journal of Applied Environmental and Biological Sciences 5(11): 88-99.
Nuñeza, O.M.; Ates, F.B.; Alicante, A.A.; Calizo-Enguito, M.R.; Toledo-Bruno, A.G.; Labajo, Y.I.; and Dejarme, S.M. 2006. Vertebrate faunal diversity and relevant interrelationships of critical resources in Mt. Malindang. SEAMEO-SEARCA: 37-65.
Paz, S. L., Ngoprasert, D., Nuneza, O. M., Mallari, N. A. D., Gale. G. A. 2013. Philippine-endemic and Mindanao-endemic Bird Communities on Canticol and Mt. Hilong-hilong, Philippines. Asian Journal of Biodiversity 4: 135-168.
Santini, L., Isaac, N. J. B., Maiorano, L., Ficetola, G. F., Huijbregts, M. A. J., Carbone, C., and Thuiller, W. 2018. Global drivers of population density in terrestrial vertebrates. Global Ecology and Biogeography 27(8): 968-979.
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.
Search for photos and videos, and hear sounds of this species from the Macaulay Library
Recommended citation
BirdLife International (2024) Species factsheet: Apo Sunbird Aethopyga boltoni. Downloaded from
https://datazone.birdlife.org/species/factsheet/apo-sunbird-aethopyga-boltoni on 22/11/2024.
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 22/11/2024.