Wedge-tailed Shearwater vs Atlantic Petrel
Ardenna pacifica compared with Pterodroma incerta
Side-by-Side Comparison
| Attribute | Wedge-tailed Shearwater | Atlantic Petrel |
|---|---|---|
| Scientific Name | Ardenna pacifica | Pterodroma incerta |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Least Concern | Endangered |
| Length | — | — |
| Wingspan | 59.4 cm (23.4 in) | 63.6 cm (25.0 in) |
| Weight | 435.0 g (15.34 oz) | 515.0 g (18.17 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Wedge-tailed Shearwater
Endangered
Atlantic Petrel
About These Birds
Wedge-tailed Shearwater
38–46 cm, wingspan 97–105 cm. Long wedge-shaped tail diagnostic; dark brown above; polymorphic below (dark or white-breasted). Breeds tropical Pacific and Indian Ocean islands. Ranges widely at sea. Feeds on fish and squid; often associates with tuna. Common and widespread.
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.