Black-vented Shearwater vs Antarctic Petrel
Puffinus opisthomelas comparé à Thalassoica antarctica
Side-by-Side Comparison
| Attribut | Black-vented Shearwater | Antarctic Petrel |
|---|---|---|
| Nom scientifique | Puffinus opisthomelas | Thalassoica antarctica |
| Ordre | Procellariiformes | Procellariiformes |
| Famille | Procellariidae | Procellariidae |
| Statut de conservation | Near Threatened | Least Concern |
| Longueur | — | — |
| Envergure | 46,6 cm (18.3 in) | 59,2 cm (23.3 in) |
| Poids | 420,5833333333333 g (14.84 oz) | 658,3333333333334 g (23.22 oz) |
| Régime alimentaire | -- | -- |
| Taille de la couvée | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Statut de conservation
Near Threatened
Black-vented Shearwater
Least Concern
Antarctic Petrel
About These Birds
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.
Antarctic Petrel
40–46 cm, wingspan 100–110 cm. Striking chocolate-brown and white pattern; only member of its genus. Breeds solely in Antarctica on cliff ledges; among the most southerly-nesting birds. Feeds on fish and krill beneath pack ice. Returns to colonies in October; one of the most abundant Antarctic seabirds.