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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