Atlantic Petrel vs Hawaiian Petrel

Pterodroma incerta compared with Pterodroma sandwichensis

Side-by-Side Comparison

Attribute Atlantic Petrel Hawaiian Petrel
Scientific Name Pterodroma incerta Pterodroma sandwichensis
Order Procellariiformes Procellariiformes
Family Procellariidae Procellariidae
Conservation Status Endangered Endangered
Length — —
Wingspan 63.6 cm (25.0 in) 54.3 cm (21.4 in)
Weight 515.0 g (18.17 oz) 479.5 g (16.91 oz)
Diet -- --
Clutch Size 1 1
Population Trend — —

Habitat Comparison

Shared Habitats

Atlantic Petrel only

Hawaiian Petrel only

Conservation Status

Endangered

Atlantic Petrel

Endangered

Hawaiian Petrel

About These Birds

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.

Hawaiian Petrel

43 cm. Dark above with white forehead; white below with dark partial collar and carpal bar. Breeds high-elevation burrowing colonies on Hawaiian mountains. Vulnerable; threatened by introduced predators, light attraction, habitat loss. Migrates to northeast Pacific after breeding.

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