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Side-by-Side Comparison

Attribut	Grey-backed Storm-petrel	Wilson's Storm-petrel
Nom scientifique	Garrodia nereis	Oceanites oceanicus
Ordre	Procellariiformes	Procellariiformes
Famille	Oceanitidae	Oceanitidae
Statut de conservation	Least Concern	Least Concern
Longueur	—	—
Envergure	25,0 cm (9.8 in)	29,4 cm (11.6 in)
Poids	32,5 g (1.15 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)

Grey-backed Storm-petrel only

🌾 Grassland

Wilson's Storm-petrel only

Aucun(e)

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Statut de conservation

Least Concern

Grey-backed Storm-petrel

Least Concern

Wilson's Storm-petrel

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About These Birds

Grey-backed Storm-petrel

Grey-backed Storm-petrel, 16–19 cm, breeds on sub-Antarctic islands across the Southern Ocean from Tristan da Cunha to the Antipodes. Pale grey back and rump distinguishes it from most other storm-petrels. Planktivore; flutters low over the sea surface picking up zooplankton.

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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More Birds to Explore

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

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