DD
Fernando Po Swift Apus sladeniae



References

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.; 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.

da Rosa Pinto, A. A. 1983. Ornithologia de Angola. Instituto de Investigacao Cientifica Tropical, Lisbon.

Dowsett-Lemaire, F.; 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.

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.

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Recommended citation
BirdLife International (2020) Species factsheet: Apus sladeniae. Downloaded from http://www.birdlife.org on 09/04/2020. Recommended citation for factsheets for more than one species: BirdLife International (2020) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 09/04/2020.