Ainley's Storm-petrel vs Ashy Storm-petrel
Hydrobates cheimomnestes so với Hydrobates homochroa
Side-by-Side Comparison
| Thuộc Tính | Ainley's Storm-petrel | Ashy Storm-petrel |
|---|---|---|
| Tên Khoa Học | Hydrobates cheimomnestes | Hydrobates homochroa |
| Bộ | Procellariiformes | Procellariiformes |
| Họ | Hydrobatidae | Hydrobatidae |
| Tình Trạng Bảo Tồn | Vulnerable | Endangered |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 30,1 cm (11.9 in) | 26,6 cm (10.5 in) |
| Khối Lượng | 41,15 g (1.45 oz) | 36,333333333333336 g (1.28 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1 | 1 |
| Population Trend | — | — |
Tình Trạng Bảo Tồn
Vulnerable
Ainley's Storm-petrel
Endangered
Ashy 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.
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.