Jouanin's Petrel vs Heinroth's Shearwater
Bulweria fallax compared with Puffinus heinrothi
Side-by-Side Comparison
| Attribute | Jouanin's Petrel | Heinroth's Shearwater |
|---|---|---|
| Scientific Name | Bulweria fallax | Puffinus heinrothi |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Near Threatened | Vulnerable |
| Length | — | — |
| Wingspan | 48.2 cm (19.0 in) | 35.7 cm (14.1 in) |
| Weight | 167.5 g (5.91 oz) | 82.0 g (2.89 oz) |
| Diet | -- | -- |
| Clutch Size | -- | -- |
| Population Trend | — | — |
Conservation Status
Near Threatened
Jouanin's Petrel
Vulnerable
Heinroth's Shearwater
About These Birds
Jouanin's Petrel
43–45 cm. Larger than Bulwer's Petrel; all sooty-brown with a wedge-shaped tail and faint pale wing-bar. Breeds southern Arabian Sea islands (Socotra region); ranges in Indian Ocean. Near Threatened; poorly studied. Feeds on squid and fish; crepuscular and nocturnal at sea.
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.