Atlantic Petrel vs Black-vented Shearwater
Pterodroma incerta compared with Puffinus opisthomelas
Side-by-Side Comparison
| Attribute | Atlantic Petrel | Black-vented Shearwater |
|---|---|---|
| Scientific Name | Pterodroma incerta | Puffinus opisthomelas |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Endangered | Near Threatened |
| Length | — | — |
| Wingspan | 63.6 cm (25.0 in) | 46.6 cm (18.3 in) |
| Weight | 515.0 g (18.17 oz) | 420.5833333333333 g (14.84 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Endangered
Atlantic Petrel
Near Threatened
Black-vented Shearwater
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.
Black-vented Shearwater
30–38 cm. Dark above with blackish undertail and vent; white below. Breeds islands off Baja California; ranges offshore in eastern Pacific to Peru. Near Threatened; affected by introduced predators on breeding islands. Feeds on fish; often seen from Baja California shore.