Band-rumped Storm-petrel vs Ashy Storm-petrel
Hydrobates castro comparé à Hydrobates homochroa
Side-by-Side Comparison
| Attribut | Band-rumped Storm-petrel | Ashy Storm-petrel |
|---|---|---|
| Nom scientifique | Hydrobates castro | Hydrobates homochroa |
| Ordre | Procellariiformes | Procellariiformes |
| Famille | Hydrobatidae | Hydrobatidae |
| Statut de conservation | Least Concern | Endangered |
| Longueur | — | — |
| Envergure | 30,1 cm (11.9 in) | 26,6 cm (10.5 in) |
| Poids | 49,25 g (1.74 oz) | 36,333333333333336 g (1.28 oz) |
| Régime alimentaire | -- | -- |
| Taille de la couvée | 1 | 1 |
| Population Trend | — | — |
Statut de conservation
Least Concern
Band-rumped Storm-petrel
Endangered
Ashy 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.
Ashy Storm-petrel
Ashy Storm-petrel, 19–21 cm, is restricted to the California Current of the eastern Pacific; breeding on Channel Islands and the Farallon Islands. Entirely ashy brown without white rump — uncommon among storm-petrels. Endangered; less than 10,000 individuals; threatened by light pollution and introduced predators.