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Side-by-Side Comparison

Atribut	Ashy Storm-petrel	Wedge-rumped Storm-petrel
Nama Ilmiah	Hydrobates homochroa	Hydrobates tethys
Ordo	Procellariiformes	Procellariiformes
Famili	Hydrobatidae	Hydrobatidae
Status Konservasi	Endangered	Least Concern
Panjang	—	—
Rentang Sayap	26,6 cm (10.5 in)	26,0 cm (10.2 in)
Berat	36,333333333333336 g (1.28 oz)	27,0 g (0.95 oz)
Diet	--	--
Ukuran Sarang	1	1
Population Trend	—	—

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Status Konservasi

Endangered

Ashy Storm-petrel

Least Concern

Wedge-rumped 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.

Wedge-rumped Storm-petrel

Wedge-rumped Storm-petrel, 19–21 cm, breeds in enormous colonies in the Galápagos and on islands off Peru. The largest white rump patch of any storm-petrel — nearly triangular, extending to the uppertail coverts. Unlike most storm-petrels, daytime activity at colonies. Planktivore in eastern Pacific upwelling.

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