Hawaiian Petrel vs Antarctic Petrel
Pterodroma sandwichensis مقارنةً بـ Thalassoica antarctica
Side-by-Side Comparison
| السمة | Hawaiian Petrel | Antarctic Petrel |
|---|---|---|
| الاسم العلمي | Pterodroma sandwichensis | Thalassoica antarctica |
| الرتبة | Procellariiformes | Procellariiformes |
| الفصيلة | Procellariidae | Procellariidae |
| حالة الحفاظ | Endangered | Least Concern |
| الطول | — | — |
| طول الجناح | 54,3 cm (21.4 in) | 59,2 cm (23.3 in) |
| الوزن | 479,5 g (16.91 oz) | 658,3333333333334 g (23.22 oz) |
| النظام الغذائي | -- | -- |
| عدد البيض في الوضع | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
حالة الحفاظ
Endangered
Hawaiian Petrel
Least Concern
Antarctic Petrel
About These Birds
Hawaiian Petrel
43 cm. Dark above with white forehead; white below with dark partial collar and carpal bar. Breeds high-elevation burrowing colonies on Hawaiian mountains. Vulnerable; threatened by introduced predators, light attraction, habitat loss. Migrates to northeast Pacific after breeding.
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.