Chatham Islands Petrel vs Atlantic Petrel
Pterodroma axillaris مقارنةً بـ Pterodroma incerta
Side-by-Side Comparison
| السمة | Chatham Islands Petrel | Atlantic Petrel |
|---|---|---|
| الاسم العلمي | Pterodroma axillaris | Pterodroma incerta |
| الرتبة | Procellariiformes | Procellariiformes |
| الفصيلة | Procellariidae | Procellariidae |
| حالة الحفاظ | Vulnerable | Endangered |
| الطول | — | — |
| طول الجناح | 42,4 cm (16.7 in) | 63,6 cm (25.0 in) |
| الوزن | 226,25 g (7.98 oz) | 515,0 g (18.17 oz) |
| النظام الغذائي | -- | -- |
| عدد البيض في الوضع | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
الموائل المشتركة
بلا
Chatham Islands Petrel only
Atlantic Petrel only
حالة الحفاظ
Vulnerable
Chatham Islands Petrel
Endangered
Atlantic Petrel
About These Birds
Chatham Islands Petrel
30 cm. Small; dark grey above with white forehead and underparts; distinctive black axillaries. Critically Endangered; breeds only South East Island, Chatham Islands (few hundred pairs). Threatened by weka predation; intensive management sustains population. Ranges in temperate Pacific.
Atlantic Petrel
43 cm, wingspan 104 cm. Large; dark brown above with pale belly and dusky breast-band creating hooded appearance. Breeds Tristan da Cunha and Gough Island; ranges into south Atlantic and Indian Ocean. Endangered; threatened by introduced predators and longline fisheries.