Ainley's Storm-petrel vs Matsudaira's Storm-petrel
Hydrobates cheimomnestes से तुलना Hydrobates matsudairae
Side-by-Side Comparison
| विशेषता | Ainley's Storm-petrel | Matsudaira's Storm-petrel |
|---|---|---|
| वैज्ञानिक नाम | Hydrobates cheimomnestes | Hydrobates matsudairae |
| गण | Procellariiformes | Procellariiformes |
| कुल | Hydrobatidae | Hydrobatidae |
| संरक्षण स्थिति | Vulnerable | Vulnerable |
| लंबाई | — | — |
| पंखों का फैलाव | 30.1 cm (11.9 in) | 37.0 cm (14.6 in) |
| वजन | 41.15 g (1.45 oz) | 62.0 g (2.19 oz) |
| आहार | -- | -- |
| अंडों की संख्या | 1 | -- |
| Population Trend | — | — |
संरक्षण स्थिति
Vulnerable
Ainley's Storm-petrel
Vulnerable
Matsudaira's 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.
Matsudaira's Storm-petrel
Matsudaira's Storm-petrel, 24–26 cm, is a large, all-dark storm-petrel breeding on Volcano and Ryukyu Islands of Japan. Long-winged, slow flapping flight. Winters off East Africa and the Arabian Sea — an Indian Ocean migrant from North Pacific colonies. Planktivore and surface feeder.