Collared Petrel vs Atlantic Petrel

Pterodroma brevipes compared with Pterodroma incerta

Side-by-Side Comparison

Attribute Collared Petrel Atlantic Petrel
Scientific Name Pterodroma brevipes Pterodroma incerta
Order Procellariiformes Procellariiformes
Family Procellariidae Procellariidae
Conservation Status Vulnerable Endangered
Length — —
Wingspan 42.4 cm (16.7 in) 63.6 cm (25.0 in)
Weight 137.0 g (4.83 oz) 515.0 g (18.17 oz)
Diet -- --
Clutch Size 1 1
Population Trend — —

Habitat Comparison

Shared Habitats

None

Collared Petrel only

Atlantic Petrel only

Conservation Status

Vulnerable

Collared Petrel

Endangered

Atlantic Petrel

About These Birds

Collared Petrel

30 cm. Polymorphic; pale morph has grey collar band contrasting with white breast; dark morph sooty grey. Breeds Fiji, Vanuatu, Tonga, Samoa. Vulnerable; threatened by introduced predators. Ranges in tropical South Pacific; feeds on squid and fish.

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.

More Birds to Explore