Atlantic Petrel vs Mottled Petrel

Pterodroma incerta compared with Pterodroma inexpectata

Side-by-Side Comparison

Attribute Atlantic Petrel Mottled Petrel
Scientific Name Pterodroma incerta Pterodroma inexpectata
Order Procellariiformes Procellariiformes
Family Procellariidae Procellariidae
Conservation Status Endangered Near Threatened
Length
Wingspan 63.6 cm (25.0 in) 50.0 cm (19.7 in)
Weight 515.0 g (18.17 oz) 344.0 g (12.13 oz)
Diet -- --
Clutch Size 1 1
Population Trend

Habitat Comparison

Shared Habitats

Atlantic Petrel only

Mottled Petrel only

None

Conservation Status

Endangered

Atlantic Petrel

Near Threatened

Mottled 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.

Mottled Petrel

33–36 cm. Dark grey above with bold dark M-mark; white below with distinctive dark belly patch. Breeds New Zealand subantarctic islands (Snares, Chatham, Antipodes). Migrates to North Pacific in boreal winter. Near Threatened; feeds on squid and crustaceans.

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