Spectacled Petrel vs Heinroth's Shearwater
Procellaria conspicillata compared with Puffinus heinrothi
Side-by-Side Comparison
| Attribute | Spectacled Petrel | Heinroth's Shearwater |
|---|---|---|
| Scientific Name | Procellaria conspicillata | Puffinus heinrothi |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Vulnerable | Vulnerable |
| Length | — | — |
| Wingspan | 71.0 cm (28.0 in) | 35.7 cm (14.1 in) |
| Weight | 1162.5 g (41.01 oz) | 82.0 g (2.89 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | -- |
| Population Trend | — | — |
Conservation Status
Vulnerable
Spectacled Petrel
Vulnerable
Heinroth's Shearwater
About These Birds
Spectacled Petrel
58 cm. Large, sooty-black petrel; ivory bill with dark markings; diagnostic white spectacle marks around eye. Breeds only Inaccessible Island (Tristan da Cunha). Vulnerable; entire breeding population on a single isolated island; at risk from longline fisheries and storms.
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.