Ainley's Storm-petrel vs Leach's Storm-petrel
Hydrobates cheimomnestes مقارنةً بـ Hydrobates leucorhous
Side-by-Side Comparison
| السمة | Ainley's Storm-petrel | Leach's Storm-petrel |
|---|---|---|
| الاسم العلمي | Hydrobates cheimomnestes | Hydrobates leucorhous |
| الرتبة | Procellariiformes | Procellariiformes |
| الفصيلة | Hydrobatidae | Hydrobatidae |
| حالة الحفاظ | Vulnerable | Vulnerable |
| الطول | — | — |
| طول الجناح | 30,1 cm (11.9 in) | 30,1 cm (11.9 in) |
| الوزن | 41,15 g (1.45 oz) | 42,583333333333336 g (1.50 oz) |
| النظام الغذائي | -- | -- |
| عدد البيض في الوضع | 1 | 1 |
| Population Trend | — | — |
حالة الحفاظ
Vulnerable
Ainley's Storm-petrel
Vulnerable
Leach'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.
Leach's Storm-petrel
Leach's Storm-petrel, 19–22 cm, is one of the most numerous pelagic seabirds, with millions breeding in burrows in North Atlantic and North Pacific islands. Dark brown with white rump; erratic, butterfly-like flight unique among storm-petrels. Nocturnal at colonies; planktivore. Long-distance transequatorial migrant.