Petrels and Shearwaters (Procellariidae)

Northern Giant Petrel (Macronectes halli) - HBW 1, p. 235

French: Fulmar de Hall German: Hallsturmvogel Spanish: Abanto-marino Subantártico
Other common names: Hall's Giant Petrel

Taxonomy: Macronectes giganteus halli Mathews, 1912, Kerguelen.
Long considered conspecific with sibling M. giganteus; some hybridization in areas of sympatry, but differences in timing of breeding and social structure prevent higher degree of interbreeding. Monotypic.

Distribution: Circumpolar in Southern Ocean, breeding on subantarctic islands from South Georgia through S Indian Ocean to New Zealand area.