Data Zone
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.
Bowden, C.G.R. 2001. The birds of Mount Kupe, southwest Cameroon. Malimbus 23: 13-44.
Brooke, R. K. 1970. Geographical variation and distribution in Apus barbatus, A. bradfieldi and A. niansae (Aves: Apodidae). Durban Museum Novitates 8(363-374).
Collar, N.J. and Stuart, S.N. 1985. Threatened birds of Africa and related islands: the ICBP/IUCN Red Data Book. International Council for Bird Preservation, and International Union for Conservation of Nature and Natural Resources, Cambridge, U.K.
Cooper, J.C., Johnson, O., Davis, T.J., Terrill, R.S., Wolfe, J.D., Brzeski, K.E. and Powell, L.L. 2017. Notes on the distribution of the avifauna of Bioko Island, Equatorial Guinea, including one new country record. Malimbus 39: 1-15.
Cooper, J.C., Powell, L.L. and Wolfe, J.D. 2016. Notes on the birds of Equatorial Guinea, including nine first country records. Bull. Afr. Bird Club 23: 152-163.
da Rosa Pinto, A. A. 1983. Ornithologia de Angola. Instituto de Investigacao Cientifica Tropical, Lisbon.
de Lima, R.F. and Melo, M. 2021. A revised bird checklist for the oceanic islands of the Gulf of Guinea (Príncipe, São Tomé and Annobón). Bulletin of the British Ornithologists’ Club 141(2): 179-198.
del Hoyo, J., Elliott, A. and Sargatal, J. 1999. Handbook of the Birds of the World, vol. 5: Barn-owls to Hummingbirds. Lynx Edicions, Barcelona, Spain.
Dowsett-Lemaire, F. and Dowsett, R.J. 1999. Birds of the Parque Nacional de Monte Alen, mainland Equatorial Guinea, with an updating of the country's list. Alauda 67: 179-188.
Elgood, J. H. 1981. The birds of Nigeria. British Ornithologists' Union, London.
IUCN. 2023. The IUCN Red List of Threatened Species. Version 2023-1. Available at: https://www.iucnredlist.org. (Accessed: 07 December 2023).
Mills, M.S.L. and Dean, W.R.J. 2007. Notes on Angolan birds: new country records, range extensions and taxonomic questions. Ostrich 78: 55-63.
Ogilvie-Grant, W.R. 1904. Cypselus sladaniae, n. sp. Bull. B.O.C. 14: 56.
Parker, R.H. 1971. Fernando Poo Black Swift Apus barbatus sladeniae (Ogilvie-Grant) recorded from Nigeria. Bulletin of the British Ornithologists' Club 91: 152-153.
Parker, R.H. 1972. African Black Swift Apus barbatus from Obudu Plateau: a species new to Nigeria. Bulletin of the Nigerian Ornithological Society 9: 9-10.
Pérez del Val, J. 1996. Las aves de Bioko, Guinea Ecuatorial: guía de campo. Edilesa, Leon.
Traylor, M. A. 1960. Notes on the birds of Angola, non-passeres. Publicacoes Culturais, Lisbon.
von Reichenow. 1907. Zwei neue afrikanische Arten. Ornithologische Monatsberichte 15: 60.
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Recommended citation
BirdLife International (2024) Species factsheet: Fernando Po Swift Apus sladeniae. Downloaded from
https://datazone.birdlife.org/species/factsheet/fernando-po-swift-apus-sladeniae on 23/12/2024.
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 23/12/2024.