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Side-by-Side Comparison

Attribut	Ashy Storm-petrel	Guadalupe Storm-petrel
Nom scientifique	Hydrobates homochroa	Hydrobates macrodactylus
Ordre	Procellariiformes	Procellariiformes
Famille	Hydrobatidae	Hydrobatidae
Statut de conservation	Endangered	Not Evaluated
Longueur	—	—
Envergure	26,6 cm (10.5 in)	32,7 cm (12.9 in)
Poids	36,333333333333336 g (1.28 oz)	36,71 g (1.29 oz)
Régime alimentaire	--	--
Taille de la couvée	1	1
Population Trend	—	—

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Habitat Comparison

Habitats partagés

Aucun(e)

Ashy Storm-petrel only

Aucun(e)

Guadalupe Storm-petrel only

🌲 Forest

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Statut de conservation

Endangered

Ashy Storm-petrel

Not Evaluated

Guadalupe 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.

Guadalupe Storm-petrel

Guadalupe Storm-petrel, 22–23 cm, is Critically Endangered — possibly extinct; no confirmed sightings since the 1930s when cats eliminated the colony on Guadalupe Island. Large, all-dark storm-petrel very similar to Black Storm-petrel. Status uncertain; intensive searches have not relocated any individuals.

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