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Side-by-Side Comparison

คุณสมบัติ	Black Storm-petrel	Tristram's Storm-petrel
ชื่อวิทยาศาสตร์	Hydrobates melania	Hydrobates tristrami
อันดับ	Procellariiformes	Procellariiformes
วงศ์ตระกูล	Hydrobatidae	Hydrobatidae
สถานะการอนุรักษ์	Least Concern	Least Concern
ความยาว	—	—
กว้างปีก	34.4 cm (13.5 in)	35.5 cm (14.0 in)
น้ำหนัก	66.19999999999999 g (2.34 oz)	89.0 g (3.14 oz)
อาหาร	--	--
จำนวนไข่	1	1
Population Trend	—	—

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สถานะการอนุรักษ์

Least Concern

Black Storm-petrel

Least Concern

Tristram's Storm-petrel

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About These Birds

Black Storm-petrel

Black Storm-petrel, 22–23 cm, is the largest entirely dark storm-petrel of the eastern Pacific, breeding on San Benito Islands and Coronado Islands off Baja California. Deeply forked tail; languid, loping flight distinctive among storm-petrels. Planktivore and piscivore. Near Threatened; small breeding population.

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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