| Trích dẫn | Strange, M., 2014 A Photographic Guide to the Birds of Malaysia and Singapore: Including Southeast Asia, the Philippines and Borneo. Tuttle Publishing, 398 p. |
| Tài liệu tham khảo | 114893 Strange, M., 2014 |
| Trang | |
| Named Used as Valid | Sula sula |
| Địa phương | |
| Distribution | Southeast Asia. |