Collared Petrel vs Heinroth's Shearwater
Pterodroma brevipes 比較対象 Puffinus heinrothi
Side-by-Side Comparison
| 属性 | Collared Petrel | Heinroth's Shearwater |
|---|---|---|
| 学名 | Pterodroma brevipes | Puffinus heinrothi |
| 目 | Procellariiformes | Procellariiformes |
| 科 | Procellariidae | Procellariidae |
| 保全状況 | Vulnerable | Vulnerable |
| 体長 | — | — |
| 翼開長 | 42.4 cm (16.7 in) | 35.7 cm (14.1 in) |
| 体重 | 137.0 g (4.83 oz) | 82.0 g (2.89 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 1 | -- |
| Population Trend | — | — |
Habitat Comparison
保全状況
Vulnerable
Collared Petrel
Vulnerable
Heinroth's Shearwater
About These Birds
Collared Petrel
30 cm. Polymorphic; pale morph has grey collar band contrasting with white breast; dark morph sooty grey. Breeds Fiji, Vanuatu, Tonga, Samoa. Vulnerable; threatened by introduced predators. Ranges in tropical South Pacific; feeds on squid and fish.
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.