Short-tailed Shearwater vs Heinroth's Shearwater
Ardenna tenuirostris compared with Puffinus heinrothi
Side-by-Side Comparison
| Attribute | Short-tailed Shearwater | Heinroth's Shearwater |
|---|---|---|
| Scientific Name | Ardenna tenuirostris | Puffinus heinrothi |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Least Concern | Vulnerable |
| Length | — | — |
| Wingspan | 52.4 cm (20.6 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
Short-tailed Shearwater only
Heinroth's Shearwater only
None
Conservation Status
Least Concern
Short-tailed Shearwater
Vulnerable
Heinroth's Shearwater
About These Birds
Short-tailed Shearwater
41–43 cm, wingspan 95–100 cm. Sooty-brown; silvery underwing flash. Breeds Bass Strait islands (Australia) in enormous numbers; one of the world's most abundant seabirds. Migrates to North Pacific in vast flocks. Feeds on krill and fish. Harvested sustainably as 'muttonbirds' in Tasmania.
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.