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Side-by-Side Comparison

Merkmal	White-bellied Storm-petrel	Polynesian Storm-petrel
Wissenschaftlicher Name	Fregetta grallaria	Nesofregetta fuliginosa
Ordnung	Procellariiformes	Procellariiformes
Familie	Oceanitidae	Oceanitidae
Erhaltungsstatus	Least Concern	Endangered
Länge	—	—
Flügelspannweite	33,7 cm (13.3 in)	39,5 cm (15.6 in)
Gewicht	53,9 g (1.90 oz)	71,0 g (2.50 oz)
Ernährung	--	--
Gelegegröße	1	1
Population Trend	—	—

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Habitat Comparison

Gemeinsame Lebensräume

-

White-bellied Storm-petrel only

🌾 Grasland

Polynesian Storm-petrel only

🏖️ Küste

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Erhaltungsstatus

Least Concern

White-bellied Storm-petrel

Endangered

Polynesian Storm-petrel

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About These Birds

White-bellied Storm-petrel

White-bellied Storm-petrel, 18–21 cm, breeds on sub-Antarctic and South Atlantic islands; pelagic across the Southern Ocean in winter. White belly contrasts with dark breast band and dark upperparts; pale at base of rump. Planktivore; patters over sea surface. Often seen in the company of Wilson's Storm-petrel.

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.

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More Birds to Explore

More from Oceanitidae

White-faced Storm-petrel Pelagodroma marina New Zealand Storm-petrel Fregetta maoriana White-vented Storm-petrel Oceanites gracilis Pincoya Storm-petrel Oceanites pincoyae All Oceanitidae birds →

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