Black Storm-petrel vs Tristram's Storm-petrel
Hydrobates melania compared with Hydrobates tristrami
Side-by-Side Comparison
| Attribute | Black Storm-petrel | Tristram's Storm-petrel |
|---|---|---|
| Scientific Name | Hydrobates melania | Hydrobates tristrami |
| Order | Procellariiformes | Procellariiformes |
| Family | Hydrobatidae | Hydrobatidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 34.4 cm (13.5 in) | 35.5 cm (14.0 in) |
| Weight | 66.19999999999999 g (2.34 oz) | 89.0 g (3.14 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Conservation Status
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.