Antarctic Prion vs South Georgia Diving-petrel

Pachyptila desolata compared with Pelecanoides georgicus

Side-by-Side Comparison

Attribute Antarctic Prion South Georgia Diving-petrel
Scientific Name Pachyptila desolata Pelecanoides georgicus
Order Procellariiformes Procellariiformes
Family Procellariidae Procellariidae
Conservation Status Least Concern Least Concern
Length — —
Wingspan 36.5 cm (14.4 in) 22.6 cm (8.9 in)
Weight 149.0 g (5.26 oz) 129.0 g (4.55 oz)
Diet -- --
Clutch Size 1 1
Population Trend — —

Habitat Comparison

Shared Habitats

None

Antarctic Prion only

South Georgia Diving-petrel only

Conservation Status

Least Concern

Antarctic Prion

Least Concern

South Georgia Diving-petrel

About These Birds

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.

South Georgia Diving-petrel

20 cm. Tiny; dark above, white below; paler scapular edges. Breeds South Georgia, Kerguelen, and Heard Island. Extremely abundant; possibly billions of individuals in Southern Ocean. Feeds on euphausiids by diving; sympatric with Common Diving-petrel but smaller with narrower bill.

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