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Side-by-Side Comparison

คุณสมบัติ	Ashy Storm-petrel	Townsend's Storm-petrel
ชื่อวิทยาศาสตร์	Hydrobates homochroa	Hydrobates socorroensis
อันดับ	Procellariiformes	Procellariiformes
วงศ์ตระกูล	Hydrobatidae	Hydrobatidae
สถานะการอนุรักษ์	Endangered	Endangered
ความยาว	—	—
กว้างปีก	26.6 cm (10.5 in)	30.1 cm (11.9 in)
น้ำหนัก	36.333333333333336 g (1.28 oz)	33.2 g (1.17 oz)
อาหาร	--	--
จำนวนไข่	1	1
Population Trend	—	—

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สถานะการอนุรักษ์

Endangered

Ashy Storm-petrel

Endangered

Townsend's Storm-petrel

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About These Birds

Ashy Storm-petrel

Ashy Storm-petrel, 19–21 cm, is restricted to the California Current of the eastern Pacific; breeding on Channel Islands and the Farallon Islands. Entirely ashy brown without white rump — uncommon among storm-petrels. Endangered; less than 10,000 individuals; threatened by light pollution and introduced predators.

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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