| Trích dẫn | Birdlife International, 2019 BOTW. Birdlife International and Handbook of the Birds of the World. |
| Tài liệu tham khảo | 124582 Birdlife International, 2019 |
| Trang | |
| Named Used as Valid | Alca torda |
| Địa phương | |
| Distribution | Northwest Atlantic and Eastern Atlantic. |