Henderson Petrel vs Atlantic Petrel
Pterodroma atrata مقارنةً بـ Pterodroma incerta
Side-by-Side Comparison
| السمة | Henderson Petrel | Atlantic Petrel |
|---|---|---|
| الاسم العلمي | Pterodroma atrata | Pterodroma incerta |
| الرتبة | Procellariiformes | Procellariiformes |
| الفصيلة | Procellariidae | Procellariidae |
| حالة الحفاظ | Endangered | Endangered |
| الطول | — | — |
| طول الجناح | 59,0 cm (23.2 in) | 63,6 cm (25.0 in) |
| الوزن | 320,0 g (11.29 oz) | 515,0 g (18.17 oz) |
| النظام الغذائي | -- | -- |
| عدد البيض في الوضع | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
حالة الحفاظ
Endangered
Henderson Petrel
Endangered
Atlantic Petrel
About These Birds
Henderson Petrel
36–38 cm. All-dark gadfly petrel; sooty-brown with slightly paler primary patch below. Breeds Henderson Island (Pitcairn Islands). Endangered; population estimated at 5,000–10,000 pairs but vulnerable to introduced rats. Ranges in South Pacific; feeds at night on squid.
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.