Ashy Storm-petrel vs Leach's Storm-petrel
Hydrobates homochroa compared with Hydrobates leucorhous
Side-by-Side Comparison
| Attribute | Ashy Storm-petrel | Leach's Storm-petrel |
|---|---|---|
| Scientific Name | Hydrobates homochroa | Hydrobates leucorhous |
| Order | Procellariiformes | Procellariiformes |
| Family | Hydrobatidae | Hydrobatidae |
| Conservation Status | Endangered | Vulnerable |
| Length | — | — |
| Wingspan | 26.6 cm (10.5 in) | 30.1 cm (11.9 in) |
| Weight | 36.333333333333336 g (1.28 oz) | 42.583333333333336 g (1.50 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Conservation Status
Endangered
Ashy Storm-petrel
Vulnerable
Leach'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.
Leach's Storm-petrel
Leach's Storm-petrel, 19–22 cm, is one of the most numerous pelagic seabirds, with millions breeding in burrows in North Atlantic and North Pacific islands. Dark brown with white rump; erratic, butterfly-like flight unique among storm-petrels. Nocturnal at colonies; planktivore. Long-distance transequatorial migrant.