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Side-by-Side Comparison

Attribut	Least Storm-petrel	Monteiro's Storm-petrel
Nom scientifique	Hydrobates microsoma	Hydrobates monteiroi
Ordre	Procellariiformes	Procellariiformes
Famille	Hydrobatidae	Hydrobatidae
Statut de conservation	Least Concern	Vulnerable
Longueur	—	—
Envergure	23,8 cm (9.4 in)	30,6 cm (12.0 in)
Poids	18,0 g (0.63 oz)	45,5 g (1.60 oz)
Régime alimentaire	--	--
Taille de la couvée	1	1
Population Trend	—	—

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Habitat Comparison

Habitats partagés

Aucun(e)

Least Storm-petrel only

Aucun(e)

Monteiro's Storm-petrel only

🏖️ Coastal

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Statut de conservation

Least Concern

Least Storm-petrel

Vulnerable

Monteiro's Storm-petrel

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About These Birds

Least Storm-petrel

World's smallest seabird at 13–15 cm. Sooty-black with white rump; short rounded wings. Breeds Baja California islands; ranges offshore in eastern Pacific to Ecuador. Feeds on zooplankton and small fish by pattering on the surface. Nocturnal at breeding colonies; Near Threatened.

Monteiro's Storm-petrel

Monteiro's Storm-petrel, 19–21 cm, breeds exclusively on Graciosa Island in the Azores, wintering in the central North Atlantic. Recently split from Band-rumped Storm-petrel; breeds in a different season (July–November vs March–April for Castro's). Near Threatened; very small island-restricted population.

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