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Side-by-Side Comparison

Attribut	White-bellied Storm-petrel	Wilson's Storm-petrel
Nom scientifique	Fregetta grallaria	Oceanites oceanicus
Ordre	Procellariiformes	Procellariiformes
Famille	Oceanitidae	Oceanitidae
Statut de conservation	Least Concern	Least Concern
Longueur	—	—
Envergure	33,7 cm (13.3 in)	29,4 cm (11.6 in)
Poids	53,9 g (1.90 oz)	37,5 g (1.32 oz)
Régime alimentaire	--	--
Taille de la couvée	1	1
Population Trend	—	—

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Habitat Comparison

Habitats partagés

Aucun(e)

White-bellied Storm-petrel only

🌾 Grassland

Wilson's Storm-petrel only

Aucun(e)

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Statut de conservation

Least Concern

White-bellied Storm-petrel

Least Concern

Wilson's 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.

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.

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