Grey Petrel vs Heinroth's Shearwater
Procellaria cinerea مقارنةً بـ Puffinus heinrothi
Side-by-Side Comparison
| السمة | Grey Petrel | Heinroth's Shearwater |
|---|---|---|
| الاسم العلمي | Procellaria cinerea | Puffinus heinrothi |
| الرتبة | Procellariiformes | Procellariiformes |
| الفصيلة | Procellariidae | Procellariidae |
| حالة الحفاظ | Near Threatened | Vulnerable |
| الطول | — | — |
| طول الجناح | 65,2 cm (25.7 in) | 35,7 cm (14.1 in) |
| الوزن | 1140,0 g (40.21 oz) | 82,0 g (2.89 oz) |
| النظام الغذائي | -- | -- |
| عدد البيض في الوضع | 1 | -- |
| Population Trend | — | — |
Habitat Comparison
حالة الحفاظ
Near Threatened
Grey Petrel
Vulnerable
Heinroth's Shearwater
About These Birds
Grey Petrel
48 cm, wingspan 119–130 cm. Grey petrel with pale yellowish bill; white underparts. Breeds Tristan da Cunha, Gough, Auckland, Antipodes, Crozet, and Kerguelen. Unique among petrels in breeding in winter; feeds on fish and squid. Near Threatened; bycatch in longline fisheries.
Heinroth's Shearwater
27 cm. Small dark shearwater; all sooty-brown with pale bill. Breeds Solomon Islands and Papua New Guinea. Critically Endangered; extremely poorly known with only a handful of records. Breeding biology almost completely unknown; one of the rarest and least-studied seabirds.