Cook's Petrel vs Atlantic Petrel
Pterodroma cookii compared with Pterodroma incerta
Side-by-Side Comparison
| Attribute | Cook's Petrel | Atlantic Petrel |
|---|---|---|
| Scientific Name | Pterodroma cookii | Pterodroma incerta |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Vulnerable | Endangered |
| Length | — | — |
| Wingspan | 42.6 cm (16.8 in) | 63.6 cm (25.0 in) |
| Weight | 194.33333333333334 g (6.85 oz) | 515.0 g (18.17 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Vulnerable
Cook's Petrel
Endangered
Atlantic Petrel
About These Birds
Cook's Petrel
26–30 cm, wingspan 66 cm. Pale grey above with dark M-mark; white underparts with dark partial collar and carpal bar. Breeds only on islands off New Zealand (Little Barrier, Codfish). Vulnerable; migrates to North Pacific. Feeds on squid and crustaceans.
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.