Ainley's Storm-petrel vs Guadalupe Storm-petrel
Hydrobates cheimomnestes so với Hydrobates macrodactylus
Side-by-Side Comparison
| Thuộc Tính | Ainley's Storm-petrel | Guadalupe Storm-petrel |
|---|---|---|
| Tên Khoa Học | Hydrobates cheimomnestes | Hydrobates macrodactylus |
| Bộ | Procellariiformes | Procellariiformes |
| Họ | Hydrobatidae | Hydrobatidae |
| Tình Trạng Bảo Tồn | Vulnerable | Not Evaluated |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 30,1 cm (11.9 in) | 32,7 cm (12.9 in) |
| Khối Lượng | 41,15 g (1.45 oz) | 36,71 g (1.29 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Vulnerable
Ainley's Storm-petrel
Not Evaluated
Guadalupe 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.
Guadalupe Storm-petrel
Guadalupe Storm-petrel, 22–23 cm, is Critically Endangered — possibly extinct; no confirmed sightings since the 1930s when cats eliminated the colony on Guadalupe Island. Large, all-dark storm-petrel very similar to Black Storm-petrel. Status uncertain; intensive searches have not relocated any individuals.