| Citation | del Hoyo, J., A. Elliott and J. Sargatal (eds.) 1992 Handbook of the Birds of the World. Vol. 1. Ostrich to Ducks. Seabirds Lynx Edicions, Barcelona, Spain 696 pp. |
| DOI / ISBN | |
| Paper URL | |
| Ref. No. | 7210 |
| Language | English |
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