White-chinned Petrel vs Heinroth's Shearwater
Procellaria aequinoctialis compared with Puffinus heinrothi
Side-by-Side Comparison
| Attribute | White-chinned Petrel | Heinroth's Shearwater |
|---|---|---|
| Scientific Name | Procellaria aequinoctialis | Puffinus heinrothi |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Vulnerable | Vulnerable |
| Length | — | — |
| Wingspan | 76.5 cm (30.1 in) | 35.7 cm (14.1 in) |
| Weight | 1432.5 g (50.53 oz) | 82.0 g (2.89 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | -- |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Vulnerable
White-chinned Petrel
Vulnerable
Heinroth's Shearwater
About These Birds
White-chinned Petrel
51–58 cm, wingspan 134–147 cm. Large black petrel with distinctive white chin patch and ivory-yellow bill with black marks. Breeds South Georgia, Falklands, Prince Edward, Crozet, Kerguelen. Vulnerable; one of the most common longline bycatch victims in Southern Ocean.
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.