Heinroth's Shearwater vs Hutton's Shearwater
Puffinus heinrothi compared with Puffinus huttoni
Side-by-Side Comparison
| Attribute | Heinroth's Shearwater | Hutton's Shearwater |
|---|---|---|
| Scientific Name | Puffinus heinrothi | Puffinus huttoni |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Vulnerable | Endangered |
| Length | — | — |
| Wingspan | 35.7 cm (14.1 in) | 41.8 cm (16.5 in) |
| Weight | 82.0 g (2.89 oz) | 345.4166666666667 g (12.18 oz) |
| Diet | -- | -- |
| Clutch Size | -- | 1 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Vulnerable
Heinroth's Shearwater
Endangered
Hutton's Shearwater
About These Birds
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.
Hutton's Shearwater
38 cm. Dark above; white below; larger than Fluttering Shearwater. Breeds only in alpine zone of Kaikoura Ranges, South Island, New Zealand. Endangered; very restricted inland breeding range unique among shearwaters; feeds at sea in Tasman Sea and off south Australia.