Fregata aquila

Ashmole, N. P.; Ashmole, M. J.; Simmons, K. E. L. 1994. Seabird conservation and feral cats on Ascension Island, South Atlantic. In: Nettleship, D.N.; Burger, J.; Gochfeld, M. (ed.), Seabirds on islands: threats, case studies, and action plans, pp. 94-121. BirdLife International, Cambridge, U.K.

IUCN. 2012. IUCN Red List of Threatened Species (ver. 2012.1). Available at: http://www.iucnredlist.org. (Accessed: 19 June 2012).

Orta, J. 1992. Phaethontidae (Tropicbirds). In: del Hoyo, J.; Elliott, A.; Sargatal, J. (ed.), Handbook of the birds of the world, pp. 280-289. Lynx Edicions, Barcelona, Spain.

Pickup, A. R. 1998. Ascension Island Management Plan.

Ratcliffe, N. 1999. Seabirds on Ascension Island. World Birdwatch 21: 16-18.

Ratcliffe, N., Pelembe, T., White, R. 2008. Resolving the population status of Ascension Frigatebird Fregata aquila using a 'virtual ecologist' model . Ibis 150(2): 300-306.