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| | Summary (Site not responding. Last check: 2007-08-19) |
 | | B.L. Cohen, Baker, A.J., Blechschmidt, K., Dittmann, D.L., Furness, R.W., 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., Wison, R.H. Zink, R.M. Multiple sources of evidence show that the skuas (Aves: Stercorariidae) are a monophyletic group, closely related to gulls (Laridae). |
 | | On morphological and behavioural evidence the Stercorariidae are divided into two widely divergent genera, Cataracta and Stercorarius, consistent with observed levels of nuclear and mitochondrial gene divergence. |
 | | Catharacta skuas are large-bodied and with one exception breed in the Southern Hemisphere. |
| www.gla.ac.uk /ibls/DEEB/rwf/refs/epsas.htm (236 words) |
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