Large Saint Helena Petrel vs Heinroth's Shearwater
Pterodroma rupinarum compared with Puffinus heinrothi
Side-by-Side Comparison
| Attribute | Large Saint Helena Petrel | Heinroth's Shearwater |
|---|---|---|
| Scientific Name | Pterodroma rupinarum | Puffinus heinrothi |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Extinct | Vulnerable |
| Length | — | — |
| Wingspan | — | 35.7 cm (14.1 in) |
| Weight | — | 82.0 g (2.89 oz) |
| Diet | -- | -- |
| Clutch Size | -- | -- |
| Population Trend | — | — |
Conservation Status
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.