References
CRAMP, S. 1983. Handbook of the Birds of Europe, the Middle East and North Africa. Vol. 1: The Birds of the Western Palearctic (Waders to Gulls). Oxford, UK: Oxford University Press.
BERGER, A.J. 1972. Hawaiian Birdlife. 2nd ed. Honolulu, HI: University Press of Hawaii.
BURGER, J., GOCHFELD, M., KIRWAN, G.M. & GARCIA, E.F.J. 2017. Franklin's Gull (Larus pipixcan). In: DEL HOYO, J., ELLIOTT, A., SARGATAL, J., CHRISTIE, D.A. & DE JUANA, E. (Eds.) Handbook of the Birds of the World Alive. Barcelona, Spain: Lynx Editions.
BURGER, J. & GOCHFELD, M. 2009. Franklin's Gull (Leucophaeus pipixcan). In: RODEWALD, P.G. (Ed). The Birds of North America Online. Ithaca, NY: Cornell Lab of Ornithology. [Available online at http://birdsna.org/Species-Account/bna/species/fragul. Accessed 19 July 2017]. doi: 10.2173/bna.116
FELDMANN, P., BENITO-ESPINAL, E. & KEITH, A.R. 1999. New bird records from Guadeloupe and Martinique, West Indies. Journal of Field Ornithology 70: 80-94.
HOCKEY, P., DEAN, R. & RYAN, P. 2005. Roberts Birds of Southern Africa. 7th ed. Johannesburg, South Africa: Jacana Media.
HOWELL, S.N.G. & DUNN, J.L. 2007. Gulls of the Americas. Boston, MA: Houghton Mifflin Co.
MAFTEI, M. 2013. First record of Franklin's Gull Leucocephalus pipixcan from Antarctica. Marine Ornithology 41: 149-150.
MENKHORST, P., ROGERS, D., CLARKE, R., ET AL. 2017. The Australian Bird Guide. Princeton, NJ: Princeton University Press.
PYLE, P. & ENGBRING, J. 1987. New bird records and migrant observations from Micronesia, 1977-1984. ‘Elepaio 47: 11-15.
SINCLAIR, I. 1981. Eight previously unreported seabirds at Marion Island, Indian Ocean. Ardea 69: 217-218.
SKERRETT, A., BETTS, M., BOWLER, J., ET AL. 2017. Franklin's Gull Leucophaeus pipixcan. In: Seychelles Bird Records Committee Accepted Records May 2017. Tring, UK: Natural History Museum. [Available online at: http://www.seychellesbirdrecordscommittee.com/uploads/8/0/0/5/8005875/accepted_may_2017.pdf. Accessed 20 July 2017].