Ringed Storm-petrel vs Black Storm-petrel
Hydrobates hornbyi compared with Hydrobates melania
Side-by-Side Comparison
| Attribute | Ringed Storm-petrel | Black Storm-petrel |
|---|---|---|
| Scientific Name | Hydrobates hornbyi | Hydrobates melania |
| Order | Procellariiformes | Procellariiformes |
| Family | Hydrobatidae | Hydrobatidae |
| Conservation Status | Near Threatened | Least Concern |
| Length | — | — |
| Wingspan | 32.6 cm (12.8 in) | 34.4 cm (13.5 in) |
| Weight | 39.25 g (1.38 oz) | 66.19999999999999 g (2.34 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Near Threatened
Ringed Storm-petrel
Least Concern
Black Storm-petrel
About These Birds
Ringed Storm-petrel
Ringed Storm-petrel, 21–23 cm, is an extremely poorly known species with a highly restricted range over the Humboldt Current off Peru and Chile. White underparts with a distinctive dark breast band — giving the 'ringed' appearance. Breeding grounds unknown until recently; likely nests in Atacama Desert.
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.