Westland Petrel vs Heinroth's Shearwater
Procellaria westlandica compared with Puffinus heinrothi
Side-by-Side Comparison
| Attribute | Westland Petrel | Heinroth's Shearwater |
|---|---|---|
| Scientific Name | Procellaria westlandica | Puffinus heinrothi |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Endangered | Vulnerable |
| Length | — | — |
| Wingspan | 73.8 cm (29.1 in) | 35.7 cm (14.1 in) |
| Weight | 1111.5 g (39.21 oz) | 82.0 g (2.89 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | -- |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Endangered
Westland Petrel
Vulnerable
Heinroth's Shearwater
About These Birds
Westland Petrel
51 cm. Large all-black petrel; pale yellowish bill with dark culmen. Breeds only in inland forests of Westland, South Island, New Zealand. Vulnerable; the only procellariid nesting in inland forest. Migrates to southern 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.