Black Storm-petrel vs Tristram's Storm-petrel
Hydrobates melania в сравнении с Hydrobates tristrami
Side-by-Side Comparison
| Характеристика | Black Storm-petrel | Tristram's Storm-petrel |
|---|---|---|
| Научное название | Hydrobates melania | Hydrobates tristrami |
| Отряд | Procellariiformes | Procellariiformes |
| Семейство | Hydrobatidae | Hydrobatidae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 34,4 cm (13.5 in) | 35,5 cm (14.0 in) |
| Масса | 66,19999999999999 g (2.34 oz) | 89,0 g (3.14 oz) |
| Питание | -- | -- |
| Размер кладки | 1 | 1 |
| Population Trend | — | — |
Охранный статус
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.