ProcellariidaeThe Procellariidae family are a group of seabirds in the bird order Procellariiformes, which also includes the Albatross family, Diomedeidae, the storm-petrels, Hydrobatidae, and the diving petrels, Pelacanoididae.
The family Procellariidae is the main radiation of medium-sized 'true petrels', characterised by united nostrils with medium septum, and a long outer functional primary. It is dominant in the Southern Oceans, but not so in the Northern Hemisphere.
- The fulmar group
- The huge giant petrels, genus Macronectes, which are convergent with the albatrosses.
- The true fulmars, genus Fulmaris
- Antarctic Petrel, Thalassoica antarctica
- Cape Petrel, Daption capense
- Snowy Petrel, Pagodroma nivea.
- The prionss, genus Pachyptila. A specialised group of six very numerous species, all southern. They have a small, fulmar-like form and filter-feed on zooplankton.
- The gadfly petrels. These are large and agile short-billed petrels in the genus Pterodroma.
- Shearwaters in the genera Calonectris, Puffinus and Procellaria. The three species in the last genus are named as petrels
- Petrels of indeterminate relationships
- the four Bulweria species
- Blue Petrel, Halobaena caerula
- Kerguelen Petrel Lugensa brevirostris
- Tahiti Petrel Pseudobulweria rostrata.