Polynesian Storm-petrel vs Wilson's Storm-petrel
Nesofregetta fuliginosa compared with Oceanites oceanicus
Side-by-Side Comparison
| Attribute | Polynesian Storm-petrel | Wilson's Storm-petrel |
|---|---|---|
| Scientific Name | Nesofregetta fuliginosa | Oceanites oceanicus |
| Order | Procellariiformes | Procellariiformes |
| Family | Oceanitidae | Oceanitidae |
| Conservation Status | Endangered | Least Concern |
| Length | — | — |
| Wingspan | 39.5 cm (15.6 in) | 29.4 cm (11.6 in) |
| Weight | 71.0 g (2.50 oz) | 37.5 g (1.32 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Endangered
Polynesian Storm-petrel
Least Concern
Wilson's Storm-petrel
About These Birds
Polynesian Storm-petrel
Polynesian Storm-petrel, 25–26 cm, is the largest storm-petrel, breeding on tropical Pacific islands from the Marquesas to the Cook Islands. Two morphs: dark and white-bellied. Flies with distinctive high bounding style. Vulnerable; predated by introduced rats and cats on nesting islands. Planktivore.
Wilson's Storm-petrel
Wilson's Storm-petrel, 15–19 cm, wingspan 38–42 cm, may be the world's most abundant bird with billions breeding on Antarctic and sub-Antarctic islands. Dark brown with white rump, yellow-webbed feet dangling below body while 'walking' on water surface. Planktivore; skims copepods and krill. Circumglobal migrant.