Large Saint Helena Petrel vs Heinroth's Shearwater
Pterodroma rupinarum 비교 대상 Puffinus heinrothi
Side-by-Side Comparison
| 속성 | Large Saint Helena Petrel | Heinroth's Shearwater |
|---|---|---|
| 학명 | Pterodroma rupinarum | Puffinus heinrothi |
| 목 | Procellariiformes | Procellariiformes |
| 과 | Procellariidae | Procellariidae |
| 보전 상태 | Extinct | Vulnerable |
| 체장 | — | — |
| 날개 폭 | — | 35.7 cm (14.1 in) |
| 체중 | — | 82.0 g (2.89 oz) |
| 식성 | -- | -- |
| 산란 수 | -- | -- |
| Population Trend | — | — |
보전 상태
Extinct
Large Saint Helena Petrel
Vulnerable
Heinroth's Shearwater
About These Birds
Large Saint Helena Petrel
Extinct; known only from subfossil bones found on St. Helena. Medium-large petrel that went extinct within the last few centuries, likely due to human settlement, habitat destruction, and introduced predators. Related to living Pterodroma species; part of the endemic St. Helena avifauna.
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.