These southern seas are frequented by several species of Petrels: the largest kind, Procellaria
gigantea, or nelly
White-chinned Petrels Procellaria
aequinoctialis forage widely in the Southern Ocean during day and night while incubating eggs, with no influence of moon phase (Weimerskirch et al.
STEFANO, DEMETRIO de, Il Risorgimento e la questione Meridionale, La Procellaria
, Reggio, Calabria, 1964.
He notes the varieties he has killed: Procellaria
velox, velificans sordida, melanopus, lugens, agilies and Diomeda exulens.
Difiere de Bulweria, Calonectris, Procellaria
y Pterodroma en poseer la diafisis pobremente comprimida proximalmente a los condilos distales, surco extensor transversalmente expandido, y condilo externo pobremente dirigido distalmente.
Status of white-chinned petrels Procellaria
aequinoctialis Linnaeus 1758, at Bird island, South Georgia.
Hawke DJ, Holdaway RN (2005) Avian assimilation and dispersal of carbon and nitrogen brought ashore by breeding Westland petrels Procellaria
westlandica: a stable isotope study.
For example, the only consistent relationships reported among the Procellariiformes are that they form a monophyletic group with three or four families: Diomedeidae (albatrosses), Hydrobatidae (storm petrels), Procellariidae (gadfly and Procellaria
petrels, priors, shearwaters, and fulmarines), and Pelecanoididae (diving petrels); however, relations among and within these families have yet to be satisfactorily resolved (Alexander et al.