| Citation | Hemmings, A.D., 1989 Communally breeding skuas: breeding success of pairs, trios and groups of Catharacta lonnbergi on the Chatham Islands, New Zealand. Journal of Zoology, London 218:393-405. |
| Ref. | 91800 Hemmings, A.D., 1989 |
| Page | |
| Named Used as Valid | Catharacta antarctica |
| Locality | |
| Distribution | New Zealand. |