Ashy Storm-petrel vs Swinhoe's Storm-petrel
Hydrobates homochroa เปรียบเทียบกับ Hydrobates monorhis
Side-by-Side Comparison
| คุณสมบัติ | Ashy Storm-petrel | Swinhoe's Storm-petrel |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Hydrobates homochroa | Hydrobates monorhis |
| อันดับ | Procellariiformes | Procellariiformes |
| วงศ์ตระกูล | Hydrobatidae | Hydrobatidae |
| สถานะการอนุรักษ์ | Endangered | Near Threatened |
| ความยาว | — | — |
| กว้างปีก | 26.6 cm (10.5 in) | 30.5 cm (12.0 in) |
| น้ำหนัก | 36.333333333333336 g (1.28 oz) | 39.55 g (1.40 oz) |
| อาหาร | -- | -- |
| จำนวนไข่ | 1 | 1 |
| Population Trend | — | — |
สถานะการอนุรักษ์
Endangered
Ashy Storm-petrel
Near Threatened
Swinhoe'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.
Swinhoe's Storm-petrel
Swinhoe's Storm-petrel, 19–20 cm, breeds on small islands off Korea and in the western North Pacific, wintering in the Indian Ocean. Entirely dark sooty brown with a forked tail and white rump largely hidden. Long-distance migrant crossing two oceans. Planktivore; poorly studied due to nocturnal, crevice-nesting habits.