Ashy Storm-petrel vs European Storm-petrel
Hydrobates homochroa compared with Hydrobates pelagicus
Side-by-Side Comparison
| Attribute | Ashy Storm-petrel | European Storm-petrel |
|---|---|---|
| Scientific Name | Hydrobates homochroa | Hydrobates pelagicus |
| Order | Procellariiformes | Procellariiformes |
| Family | Hydrobatidae | Hydrobatidae |
| Conservation Status | Endangered | Least Concern |
| Length | — | — |
| Wingspan | 26.6 cm (10.5 in) | 23.8 cm (9.4 in) |
| Weight | 36.333333333333336 g (1.28 oz) | 26.5 g (0.93 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Conservation Status
Endangered
Ashy Storm-petrel
Least Concern
European 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.
European Storm-petrel
European Storm-petrel, 14–18 cm, wingspan 36–39 cm, is the smallest seabird in European waters, breeding in burrows and rock crevices on Atlantic islands from Iceland to the Mediterranean. Entirely sooty black with white rump. Strictly nocturnal at colonies. Planktivore; patters over wave surface picking up oil and plankton.