Band-rumped Storm-petrel vs Ringed Storm-petrel
Hydrobates castro compared with Hydrobates hornbyi
Side-by-Side Comparison
| Attribute | Band-rumped Storm-petrel | Ringed Storm-petrel |
|---|---|---|
| Scientific Name | Hydrobates castro | Hydrobates hornbyi |
| Order | Procellariiformes | Procellariiformes |
| Family | Hydrobatidae | Hydrobatidae |
| Conservation Status | Least Concern | Near Threatened |
| Length | — | — |
| Wingspan | 30.1 cm (11.9 in) | 32.6 cm (12.8 in) |
| Weight | 49.25 g (1.74 oz) | 39.25 g (1.38 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Band-rumped Storm-petrel
Near Threatened
Ringed Storm-petrel
About These Birds
Band-rumped Storm-petrel
Band-rumped Storm-petrel, 19–21 cm, breeds on Atlantic and Pacific volcanic islands including the Azores, Canaries, and Galápagos. Sooty brown with a white rump band; similar to Leach's but straighter wingtips and steadier flight. Multiple cryptic species may be involved. Planktivore; widespread pelagic.
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.