Black Storm-petrel vs Tristram's Storm-petrel
Hydrobates melania مقارنةً بـ Hydrobates tristrami
Side-by-Side Comparison
| السمة | Black Storm-petrel | Tristram's Storm-petrel |
|---|---|---|
| الاسم العلمي | Hydrobates melania | Hydrobates tristrami |
| الرتبة | Procellariiformes | Procellariiformes |
| الفصيلة | Hydrobatidae | Hydrobatidae |
| حالة الحفاظ | Least Concern | Least Concern |
| الطول | — | — |
| طول الجناح | 34,4 cm (13.5 in) | 35,5 cm (14.0 in) |
| الوزن | 66,19999999999999 g (2.34 oz) | 89,0 g (3.14 oz) |
| النظام الغذائي | -- | -- |
| عدد البيض في الوضع | 1 | 1 |
| Population Trend | — | — |
حالة الحفاظ
Least Concern
Black Storm-petrel
Least Concern
Tristram's Storm-petrel
About These Birds
Black Storm-petrel
Black Storm-petrel, 22–23 cm, is the largest entirely dark storm-petrel of the eastern Pacific, breeding on San Benito Islands and Coronado Islands off Baja California. Deeply forked tail; languid, loping flight distinctive among storm-petrels. Planktivore and piscivore. Near Threatened; small breeding population.
Tristram's Storm-petrel
Tristram's Storm-petrel, 24–25 cm, is one of the largest storm-petrels, breeding on small Hawaiian and Ogasawara Islands in the North Pacific. All dark; broad wings, moderate tail fork. Nocturnal at colonies in winter (October–April). Planktivore; poorly known at sea; winters south into tropical Pacific.