Table 1. Taxonomy of procellariiform birds (Order Procellariiformes). The seven species in the family Procellariidae are collectively known as "the fulmars". Adapted from Appendix 1 of Warham, 1990.
| Taxon | Common name | Chicks spit oil? |
| Family Diomedeidae | ||
| Diomedea spp. | Albatrosses | Yes, but with poor aim |
| Phoebetria spp. | Sooty albatrosses | ? |
| Family Procellariidae | ||
| Macronectes giganteus | Southern giant petrel | Yes |
| Macronectes halli | Northern giant petrel | Yes |
| Fulmarus glacialoides | Southern fulmar | Yes |
| Fulmarus glacialis | Northern fulmar | Yes |
| Thalassoica antarctica | Antarctic petrel | Yes |
| Daption capense | Cape petrel or cape pigeon | Yes |
| Pagodroma nivea | Snow petrel | Yes |
| Family Pelecanoididae | ||
| Pelecanoides spp. | Diving petrels | No |