Ashy Storm-petrel vs Townsend's Storm-petrel
Hydrobates homochroa verglichen mit Hydrobates socorroensis
Side-by-Side Comparison
| Merkmal | Ashy Storm-petrel | Townsend's Storm-petrel |
|---|---|---|
| Wissenschaftlicher Name | Hydrobates homochroa | Hydrobates socorroensis |
| Ordnung | Procellariiformes | Procellariiformes |
| Familie | Hydrobatidae | Hydrobatidae |
| Erhaltungsstatus | Endangered | Endangered |
| Länge | — | — |
| Flügelspannweite | 26,6 cm (10.5 in) | 30,1 cm (11.9 in) |
| Gewicht | 36,333333333333336 g (1.28 oz) | 33,2 g (1.17 oz) |
| Ernährung | -- | -- |
| Gelegegröße | 1 | 1 |
| Population Trend | — | — |
Erhaltungsstatus
Endangered
Ashy Storm-petrel
Endangered
Townsend's Storm-petrel
About These Birds
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.
Townsend's Storm-petrel
Townsend's Storm-petrel, 19–21 cm, breeds on Guadalupe and San Benedicto Islands off western Mexico. Recently split from Leach's Storm-petrel. Forked white rump, dark overall. Pelagic in eastern Pacific; planktivore. Conservation status uncertain; threatened by introduced predators at small nesting island colonies.