White-headed Petrel vs Heinroth's Shearwater
Pterodroma lessonii compared with Puffinus heinrothi
Side-by-Side Comparison
| Attribute | White-headed Petrel | Heinroth's Shearwater |
|---|---|---|
| Scientific Name | Pterodroma lessonii | Puffinus heinrothi |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Least Concern | Vulnerable |
| Length | — | — |
| Wingspan | 60.7 cm (23.9 in) | 35.7 cm (14.1 in) |
| Weight | 695.0 g (24.52 oz) | 82.0 g (2.89 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | -- |
| Population Trend | — | — |
Habitat Comparison
Shared Habitats
None
White-headed Petrel only
Heinroth's Shearwater only
None
Conservation Status
Least Concern
White-headed Petrel
Vulnerable
Heinroth's Shearwater
About These Birds
White-headed Petrel
43 cm, wingspan 109 cm. Large petrel with white head, grey back, and white underparts; dark upperwing. Breeds Kerguelen, Macquarie, Auckland, and Antipodes islands. Ranges in subantarctic to temperate Southern Ocean. Feeds on squid and fish; nocturnal at colonies.
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.