Antarctic Prion vs Atlantic Petrel

Pachyptila desolata compared with Pterodroma incerta

Side-by-Side Comparison

Attribute Antarctic Prion Atlantic Petrel
Scientific Name Pachyptila desolata Pterodroma incerta
Order Procellariiformes Procellariiformes
Family Procellariidae Procellariidae
Conservation Status Least Concern Endangered
Length
Wingspan 36.5 cm (14.4 in) 63.6 cm (25.0 in)
Weight 149.0 g (5.26 oz) 515.0 g (18.17 oz)
Diet -- --
Clutch Size 1 1
Population Trend

Habitat Comparison

Shared Habitats

Antarctic Prion only

None

Atlantic Petrel only

Conservation Status

Least Concern

Antarctic Prion

Endangered

Atlantic 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.

Atlantic Petrel

43 cm, wingspan 104 cm. Large; dark brown above with pale belly and dusky breast-band creating hooded appearance. Breeds Tristan da Cunha and Gough Island; ranges into south Atlantic and Indian Ocean. Endangered; threatened by introduced predators and longline fisheries.

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