Ainley's Storm-petrel vs Guadalupe Storm-petrel
Hydrobates cheimomnestes مقارنةً بـ Hydrobates macrodactylus
Side-by-Side Comparison
| السمة | Ainley's Storm-petrel | Guadalupe Storm-petrel |
|---|---|---|
| الاسم العلمي | Hydrobates cheimomnestes | Hydrobates macrodactylus |
| الرتبة | Procellariiformes | Procellariiformes |
| الفصيلة | Hydrobatidae | Hydrobatidae |
| حالة الحفاظ | Vulnerable | Not Evaluated |
| الطول | — | — |
| طول الجناح | 30,1 cm (11.9 in) | 32,7 cm (12.9 in) |
| الوزن | 41,15 g (1.45 oz) | 36,71 g (1.29 oz) |
| النظام الغذائي | -- | -- |
| عدد البيض في الوضع | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
حالة الحفاظ
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.