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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