Ainley's Storm-petrel vs Least Storm-petrel
Hydrobates cheimomnestes verglichen mit Hydrobates microsoma
Side-by-Side Comparison
| Merkmal | Ainley's Storm-petrel | Least Storm-petrel |
|---|---|---|
| Wissenschaftlicher Name | Hydrobates cheimomnestes | Hydrobates microsoma |
| Ordnung | Procellariiformes | Procellariiformes |
| Familie | Hydrobatidae | Hydrobatidae |
| Erhaltungsstatus | Vulnerable | Least Concern |
| Länge | — | — |
| Flügelspannweite | 30,1 cm (11.9 in) | 23,8 cm (9.4 in) |
| Gewicht | 41,15 g (1.45 oz) | 18,0 g (0.63 oz) |
| Ernährung | -- | -- |
| Gelegegröße | 1 | 1 |
| Population Trend | — | — |
Erhaltungsstatus
Vulnerable
Ainley's Storm-petrel
Least Concern
Least 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.
Least Storm-petrel
World's smallest seabird at 13–15 cm. Sooty-black with white rump; short rounded wings. Breeds Baja California islands; ranges offshore in eastern Pacific to Ecuador. Feeds on zooplankton and small fish by pattering on the surface. Nocturnal at breeding colonies; Near Threatened.