Ainley's Storm-petrel vs European Storm-petrel
Hydrobates cheimomnestes compared with Hydrobates pelagicus
Side-by-Side Comparison
| Attribute | Ainley's Storm-petrel | European Storm-petrel |
|---|---|---|
| Scientific Name | Hydrobates cheimomnestes | Hydrobates pelagicus |
| Order | Procellariiformes | Procellariiformes |
| Family | Hydrobatidae | Hydrobatidae |
| Conservation Status | Vulnerable | Least Concern |
| Length | — | — |
| Wingspan | 30.1 cm (11.9 in) | 23.8 cm (9.4 in) |
| Weight | 41.15 g (1.45 oz) | 26.5 g (0.93 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Conservation Status
Vulnerable
Ainley's Storm-petrel
Least Concern
European Storm-petrel
About These Birds
Ainley's Storm-petrel
Ainley's Storm-petrel, 19–21 cm, is a recently described species breeding on the Channel Islands off California, present in winter — unusual among storm-petrels which typically breed in summer. Dark overall, white rump with central grey stripe. Vulnerable; small population and restricted range.
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.