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Side-by-Side Comparison

คุณสมบัติ	Band-rumped Storm-petrel	Ainley's Storm-petrel
ชื่อวิทยาศาสตร์	Hydrobates castro	Hydrobates cheimomnestes
อันดับ	Procellariiformes	Procellariiformes
วงศ์ตระกูล	Hydrobatidae	Hydrobatidae
สถานะการอนุรักษ์	Least Concern	Vulnerable
ความยาว	—	—
กว้างปีก	30.1 cm (11.9 in)	30.1 cm (11.9 in)
น้ำหนัก	49.25 g (1.74 oz)	41.15 g (1.45 oz)
อาหาร	--	--
จำนวนไข่	1	1
Population Trend	—	—

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สถานะการอนุรักษ์

Least Concern

Band-rumped Storm-petrel

Vulnerable

Ainley'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.

Ainley's Storm-petrel

Ainley's Storm-petrel, 19–21 cm, is a recently described species breeding on the Channel Islands off California, present in winter — unusual among storm-petrels which typically breed in summer. Dark overall, white rump with central grey stripe. Vulnerable; small population and restricted range.

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