Collared Petrel vs Antarctic Petrel
Pterodroma brevipes в сравнении с Thalassoica antarctica
Side-by-Side Comparison
| Характеристика | Collared Petrel | Antarctic Petrel |
|---|---|---|
| Научное название | Pterodroma brevipes | Thalassoica antarctica |
| Отряд | Procellariiformes | Procellariiformes |
| Семейство | Procellariidae | Procellariidae |
| Охранный статус | Vulnerable | Least Concern |
| Длина | — | — |
| Размах крыльев | 42,4 cm (16.7 in) | 59,2 cm (23.3 in) |
| Масса | 137,0 g (4.83 oz) | 658,3333333333334 g (23.22 oz) |
| Питание | -- | -- |
| Размер кладки | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Охранный статус
Vulnerable
Collared Petrel
Least Concern
Antarctic Petrel
About These Birds
Collared Petrel
30 cm. Polymorphic; pale morph has grey collar band contrasting with white breast; dark morph sooty grey. Breeds Fiji, Vanuatu, Tonga, Samoa. Vulnerable; threatened by introduced predators. Ranges in tropical South Pacific; feeds on squid and fish.
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.