Jouanin's Petrel vs Antarctic Petrel
Bulweria fallax verglichen mit Thalassoica antarctica
Side-by-Side Comparison
| Merkmal | Jouanin's Petrel | Antarctic Petrel |
|---|---|---|
| Wissenschaftlicher Name | Bulweria fallax | Thalassoica antarctica |
| Ordnung | Procellariiformes | Procellariiformes |
| Familie | Procellariidae | Procellariidae |
| Erhaltungsstatus | Near Threatened | Least Concern |
| Länge | — | — |
| Flügelspannweite | 48,2 cm (19.0 in) | 59,2 cm (23.3 in) |
| Gewicht | 167,5 g (5.91 oz) | 658,3333333333334 g (23.22 oz) |
| Ernährung | -- | -- |
| Gelegegröße | -- | 1 |
| Population Trend | — | — |
Erhaltungsstatus
Near Threatened
Jouanin's Petrel
Least Concern
Antarctic Petrel
About These Birds
Jouanin's Petrel
43–45 cm. Larger than Bulwer's Petrel; all sooty-brown with a wedge-shaped tail and faint pale wing-bar. Breeds southern Arabian Sea islands (Socotra region); ranges in Indian Ocean. Near Threatened; poorly studied. Feeds on squid and fish; crepuscular and nocturnal at sea.
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.