| Citation | Emms, S.K. and N.A.M. Verbeek, 1991 Brood size, food provisioning and chick growth in the Pigeon guillemot Cepphus columba. The Condor 93, 943-951. |
| Ref. | 80095 Emms, S.K. and N.A.M. Verbeek, 1991 |
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| Named Used as Valid | Cepphus columba |
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