Ashy Storm-petrel vs Guadalupe Storm-petrel

Hydrobates homochroa verglichen mit Hydrobates macrodactylus

Side-by-Side Comparison

Merkmal Ashy Storm-petrel Guadalupe Storm-petrel
Wissenschaftlicher Name Hydrobates homochroa Hydrobates macrodactylus
Ordnung Procellariiformes Procellariiformes
Familie Hydrobatidae Hydrobatidae
Erhaltungsstatus Endangered Not Evaluated
Länge
Flügelspannweite 26,6 cm (10.5 in) 32,7 cm (12.9 in)
Gewicht 36,333333333333336 g (1.28 oz) 36,71 g (1.29 oz)
Ernährung -- --
Gelegegröße 1 1
Population Trend

Habitat Comparison

Gemeinsame Lebensräume

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Ashy Storm-petrel only

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Guadalupe Storm-petrel only

Erhaltungsstatus

Endangered

Ashy Storm-petrel

Not Evaluated

Guadalupe Storm-petrel

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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