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Side-by-Side Comparison

Attribut	Least Storm-petrel	Townsend's Storm-petrel
Nom scientifique	Hydrobates microsoma	Hydrobates socorroensis
Ordre	Procellariiformes	Procellariiformes
Famille	Hydrobatidae	Hydrobatidae
Statut de conservation	Least Concern	Endangered
Longueur	—	—
Envergure	23,8 cm (9.4 in)	30,1 cm (11.9 in)
Poids	18,0 g (0.63 oz)	33,2 g (1.17 oz)
Régime alimentaire	--	--
Taille de la couvée	1	1
Population Trend	—	—

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Statut de conservation

Least Concern

Least Storm-petrel

Endangered

Townsend'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.

Townsend's Storm-petrel

Townsend's Storm-petrel, 19–21 cm, breeds on Guadalupe and San Benedicto Islands off western Mexico. Recently split from Leach's Storm-petrel. Forked white rump, dark overall. Pelagic in eastern Pacific; planktivore. Conservation status uncertain; threatened by introduced predators at small nesting island colonies.

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