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Side-by-Side Comparison

Attribut	Band-rumped Storm-petrel	Tristram's Storm-petrel
Nom scientifique	Hydrobates castro	Hydrobates tristrami
Ordre	Procellariiformes	Procellariiformes
Famille	Hydrobatidae	Hydrobatidae
Statut de conservation	Least Concern	Least Concern
Longueur	—	—
Envergure	30,1 cm (11.9 in)	35,5 cm (14.0 in)
Poids	49,25 g (1.74 oz)	89,0 g (3.14 oz)
Régime alimentaire	--	--
Taille de la couvée	1	1
Population Trend	—	—

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Statut de conservation

Least Concern

Band-rumped Storm-petrel

Least Concern

Tristram's Storm-petrel

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About These Birds

Band-rumped Storm-petrel

Band-rumped Storm-petrel, 19–21 cm, breeds on Atlantic and Pacific volcanic islands including the Azores, Canaries, and Galápagos. Sooty brown with a white rump band; similar to Leach's but straighter wingtips and steadier flight. Multiple cryptic species may be involved. Planktivore; widespread pelagic.

Tristram's Storm-petrel

Tristram's Storm-petrel, 24–25 cm, is one of the largest storm-petrels, breeding on small Hawaiian and Ogasawara Islands in the North Pacific. All dark; broad wings, moderate tail fork. Nocturnal at colonies in winter (October–April). Planktivore; poorly known at sea; winters south into tropical Pacific.

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