Atlantic Petrel vs Pycroft's Petrel

Pterodroma incerta compared with Pterodroma pycrofti

Side-by-Side Comparison

Attribute Atlantic Petrel Pycroft's Petrel
Scientific Name Pterodroma incerta Pterodroma pycrofti
Order Procellariiformes Procellariiformes
Family Procellariidae Procellariidae
Conservation Status Endangered Vulnerable
Length
Wingspan 63.6 cm (25.0 in) 42.8 cm (16.9 in)
Weight 515.0 g (18.17 oz) 156.5 g (5.52 oz)
Diet -- --
Clutch Size 1 1
Population Trend

Habitat Comparison

Shared Habitats

Atlantic Petrel only

Pycroft's Petrel only

Conservation Status

Endangered

Atlantic Petrel

Vulnerable

Pycroft's 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.

Pycroft's Petrel

26–28 cm. Small; pale grey above with dark M-mark; white underparts with partial dark collar. Breeds small islands off northern New Zealand (Poor Knights, Hen & Chickens). Vulnerable; migrates to North Pacific. Feeds on squid and fish; nocturnal at colonies; threatened by rats.

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