Polynesian Storm-petrel vs Wilson's Storm-petrel
Nesofregetta fuliginosa в сравнении с Oceanites oceanicus
Side-by-Side Comparison
| Характеристика | Polynesian Storm-petrel | Wilson's Storm-petrel |
|---|---|---|
| Научное название | Nesofregetta fuliginosa | Oceanites oceanicus |
| Отряд | Procellariiformes | Procellariiformes |
| Семейство | Oceanitidae | Oceanitidae |
| Охранный статус | Endangered | Least Concern |
| Длина | — | — |
| Размах крыльев | 39,5 cm (15.6 in) | 29,4 cm (11.6 in) |
| Масса | 71,0 g (2.50 oz) | 37,5 g (1.32 oz) |
| Питание | -- | -- |
| Размер кладки | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Охранный статус
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.