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Side-by-Side Comparison

Attribute	Band-rumped Storm-petrel	European Storm-petrel
Scientific Name	Hydrobates castro	Hydrobates pelagicus
Order	Procellariiformes	Procellariiformes
Family	Hydrobatidae	Hydrobatidae
Conservation Status	Least Concern	Least Concern
Length	—	—
Wingspan	30.1 cm (11.9 in)	23.8 cm (9.4 in)
Weight	49.25 g (1.74 oz)	26.5 g (0.93 oz)
Diet	--	--
Clutch Size	1	1
Population Trend	—	—

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Conservation Status

Least Concern

Band-rumped Storm-petrel

Least Concern

European 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.

European Storm-petrel

European Storm-petrel, 14–18 cm, wingspan 36–39 cm, is the smallest seabird in European waters, breeding in burrows and rock crevices on Atlantic islands from Iceland to the Mediterranean. Entirely sooty black with white rump. Strictly nocturnal at colonies. Planktivore; patters over wave surface picking up oil and plankton.

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