Scientific classification
| Kingdom : | Animalia |
| Phylum : | Chordata |
| Class : | Aves |
| Subclass : | Neornithes |
| Infraclass : | Neoaves |
| Order : | Procellariiformes |
| Family : | Diomedeidae |
| Kingdom : | Animalia |
| Phylum : | Chordata |
| Class : | Aves |
| Subclass : | Neornithes |
| Infraclass : | Neoaves |
| Order : | Procellariiformes |
| Family : | Diomedeidae |