Winkler, David W.; Billerman, Shawn M.; Lovette, Irby J. (2020-03-04), Billerman, Shawn M.; Keeney, Brooke K.; Rodewald, Paul G.; Schulenberg, Thomas S. (eds.), "Skuas and Jaegers (Stercorariidae)", Birds of the World, Cornell Lab of Ornithology, doi:10.2173/bow.sterco1.01, retrieved 2023-11-24
Winkler, David W.; Billerman, Shawn M.; Lovette, Irby J. (2020-03-04), Billerman, Shawn M.; Keeney, Brooke K.; Rodewald, Paul G.; Schulenberg, Thomas S. (eds.), "Penguins (Spheniscidae)", Birds of the World, Cornell Lab of Ornithology, doi:10.2173/bow.spheni1.01, retrieved 2023-11-23
Winkler, David W.; Billerman, Shawn M.; Lovette, Irby J. (2020-03-04), Billerman, Shawn M.; Keeney, Brooke K.; Rodewald, Paul G.; Schulenberg, Thomas S. (eds.), "Albatrosses (Diomedeidae)", Birds of the World, Cornell Lab of Ornithology, doi:10.2173/bow.diomed1.01, retrieved 2023-11-23
del Hoyo, Josep; Carboneras, Carles; Jutglar, Francesc; Collar, Nigel; Kirwan, Guy M.; Garcia, Ernest (2023-10-24), Billerman, Shawn M.; Keeney, Brooke K.; Rodewald, Paul G.; Schulenberg, Thomas S. (eds.), "Snowy Albatross (Diomedea exulans)", Birds of the World, Cornell Lab of Ornithology, doi:10.2173/bow.wanalb1.01, retrieved 2023-11-23
Winkler, David W.; Billerman, Shawn M.; Lovette, Irby J. (2020-03-04), Billerman, Shawn M.; Keeney, Brooke K.; Rodewald, Paul G.; Schulenberg, Thomas S. (eds.), "Southern Storm-Petrels (Oceanitidae)", Birds of the World, Cornell Lab of Ornithology, doi:10.2173/bow.oceani2.01, retrieved 2023-11-23
Winkler, David W.; Billerman, Shawn M.; Lovette, Irby J. (2020-03-04), Billerman, Shawn M.; Keeney, Brooke K.; Rodewald, Paul G.; Schulenberg, Thomas S. (eds.), "Skuas and Jaegers (Stercorariidae)", Birds of the World, Cornell Lab of Ornithology, doi:10.2173/bow.sterco1.01, retrieved 2023-11-24
Cohen, B. L.; Baker, A. J.; Blechschmidt, K.; Dittmann, D. L.; Furness, H. D.; Gerwin, J. A.; Helbig, A. J.; De Korte, J.; Marshall, H. D.; Palma, R. L.; Peter, H.-U.; Ramli, R.; Siebold, I.; Willcox, M. S.; Wilson, R. H. (1997-02-22). "Enigmatic phylogeny of skuas (Aves: Stercorariidae)". Proceedings of the Royal Society of London. Series B: Biological Sciences. 264 (1379): 182. doi:10.1098/rspb.1997.0026. ISSN0962-8452. PMC1688246. PMID9061968.
Winkler, David W.; Billerman, Shawn M.; Lovette, Irby J. (2020-03-04), Billerman, Shawn M.; Keeney, Brooke K.; Rodewald, Paul G.; Schulenberg, Thomas S. (eds.), "Penguins (Spheniscidae)", Birds of the World, Cornell Lab of Ornithology, doi:10.2173/bow.spheni1.01, retrieved 2023-11-23
Winkler, David W.; Billerman, Shawn M.; Lovette, Irby J. (2020-03-04), Billerman, Shawn M.; Keeney, Brooke K.; Rodewald, Paul G.; Schulenberg, Thomas S. (eds.), "Albatrosses (Diomedeidae)", Birds of the World, Cornell Lab of Ornithology, doi:10.2173/bow.diomed1.01, retrieved 2023-11-23
del Hoyo, Josep; Carboneras, Carles; Jutglar, Francesc; Collar, Nigel; Kirwan, Guy M.; Garcia, Ernest (2023-10-24), Billerman, Shawn M.; Keeney, Brooke K.; Rodewald, Paul G.; Schulenberg, Thomas S. (eds.), "Snowy Albatross (Diomedea exulans)", Birds of the World, Cornell Lab of Ornithology, doi:10.2173/bow.wanalb1.01, retrieved 2023-11-23
Winkler, David W.; Billerman, Shawn M.; Lovette, Irby J. (2020-03-04), Billerman, Shawn M.; Keeney, Brooke K.; Rodewald, Paul G.; Schulenberg, Thomas S. (eds.), "Southern Storm-Petrels (Oceanitidae)", Birds of the World, Cornell Lab of Ornithology, doi:10.2173/bow.oceani2.01, retrieved 2023-11-23
Cohen, B. L.; Baker, A. J.; Blechschmidt, K.; Dittmann, D. L.; Furness, H. D.; Gerwin, J. A.; Helbig, A. J.; De Korte, J.; Marshall, H. D.; Palma, R. L.; Peter, H.-U.; Ramli, R.; Siebold, I.; Willcox, M. S.; Wilson, R. H. (1997-02-22). "Enigmatic phylogeny of skuas (Aves: Stercorariidae)". Proceedings of the Royal Society of London. Series B: Biological Sciences. 264 (1379): 182. doi:10.1098/rspb.1997.0026. ISSN0962-8452. PMC1688246. PMID9061968.
pubmed.ncbi.nlm.nih.gov
Cohen, B. L.; Baker, A. J.; Blechschmidt, K.; Dittmann, D. L.; Furness, H. D.; Gerwin, J. A.; Helbig, A. J.; De Korte, J.; Marshall, H. D.; Palma, R. L.; Peter, H.-U.; Ramli, R.; Siebold, I.; Willcox, M. S.; Wilson, R. H. (1997-02-22). "Enigmatic phylogeny of skuas (Aves: Stercorariidae)". Proceedings of the Royal Society of London. Series B: Biological Sciences. 264 (1379): 182. doi:10.1098/rspb.1997.0026. ISSN0962-8452. PMC1688246. PMID9061968.
Cohen, B. L.; Baker, A. J.; Blechschmidt, K.; Dittmann, D. L.; Furness, H. D.; Gerwin, J. A.; Helbig, A. J.; De Korte, J.; Marshall, H. D.; Palma, R. L.; Peter, H.-U.; Ramli, R.; Siebold, I.; Willcox, M. S.; Wilson, R. H. (1997-02-22). "Enigmatic phylogeny of skuas (Aves: Stercorariidae)". Proceedings of the Royal Society of London. Series B: Biological Sciences. 264 (1379): 182. doi:10.1098/rspb.1997.0026. ISSN0962-8452. PMC1688246. PMID9061968.