South Georgia Diving-petrel vs Atlantic Petrel

Pelecanoides georgicus compared with Pterodroma incerta

Side-by-Side Comparison

Attribute South Georgia Diving-petrel Atlantic Petrel
Scientific Name Pelecanoides georgicus Pterodroma incerta
Order Procellariiformes Procellariiformes
Family Procellariidae Procellariidae
Conservation Status Least Concern Endangered
Length
Wingspan 22.6 cm (8.9 in) 63.6 cm (25.0 in)
Weight 129.0 g (4.55 oz) 515.0 g (18.17 oz)
Diet -- --
Clutch Size 1 1
Population Trend

Habitat Comparison

Shared Habitats

South Georgia Diving-petrel only

None

Atlantic Petrel only

Conservation Status

Least Concern

South Georgia Diving-petrel

Endangered

Atlantic Petrel

About These Birds

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.

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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