Streaked Shearwater vs Antarctic Petrel
Calonectris leucomelas مقارنةً بـ Thalassoica antarctica
Side-by-Side Comparison
| السمة | Streaked Shearwater | Antarctic Petrel |
|---|---|---|
| الاسم العلمي | Calonectris leucomelas | Thalassoica antarctica |
| الرتبة | Procellariiformes | Procellariiformes |
| الفصيلة | Procellariidae | Procellariidae |
| حالة الحفاظ | Near Threatened | Least Concern |
| الطول | — | — |
| طول الجناح | 63,8 cm (25.1 in) | 59,2 cm (23.3 in) |
| الوزن | 530,5 g (18.71 oz) | 658,3333333333334 g (23.22 oz) |
| النظام الغذائي | -- | -- |
| عدد البيض في الوضع | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
حالة الحفاظ
Near Threatened
Streaked Shearwater
Least Concern
Antarctic Petrel
About These Birds
Streaked Shearwater
48 cm, wingspan 122 cm. Large shearwater; brown-streaked white head and neck; brown above, white below. Breeds Japan and islands of East Asia; migrates south to Australia and Indian Ocean. Feeds on fish and squid; forms large flocks; the most abundant shearwater in NW Pacific.
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.