Southern Giant Petrel vs Antarctic Prion
Macronectes giganteus compared with Pachyptila desolata
Side-by-Side Comparison
| Attribute | Southern Giant Petrel | Antarctic Prion |
|---|---|---|
| Scientific Name | Macronectes giganteus | Pachyptila desolata |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 98.7 cm (38.9 in) | 36.5 cm (14.4 in) |
| Weight | 4425.0 g (156.09 oz) | 149.0 g (5.26 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Southern Giant Petrel
Least Concern
Antarctic Prion
About These Birds
Southern Giant Petrel
86–99 cm, wingspan 185–205 cm; largest procellariid. Bill massive, pale horn with greenish tip. Two morphs: brown-and-white and rare all-white. Breeds Antarctic and subantarctic islands; ranges widely in Southern Ocean. Scavenges carrion and kills penguins; dominant at seal carcasses.
Antarctic Prion
25–28 cm, wingspan 58–66 cm. Classic prion pattern: pale blue-grey, white below, bold dark M across upperwing. Medium-broad bill. Most abundant and widespread prion; breeds South Georgia, Heard, Kerguelen, Macquarie. Feeds on crustaceans; makes deep dives compared to congeners.