Least Storm-petrel vs Tristram's Storm-petrel
Hydrobates microsoma so với Hydrobates tristrami
Side-by-Side Comparison
| Thuộc Tính | Least Storm-petrel | Tristram's Storm-petrel |
|---|---|---|
| Tên Khoa Học | Hydrobates microsoma | Hydrobates tristrami |
| Bộ | Procellariiformes | Procellariiformes |
| Họ | Hydrobatidae | Hydrobatidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 23,8 cm (9.4 in) | 35,5 cm (14.0 in) |
| Khối Lượng | 18,0 g (0.63 oz) | 89,0 g (3.14 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1 | 1 |
| Population Trend | — | — |
Tình Trạng Bảo Tồn
Least Concern
Least Storm-petrel
Least Concern
Tristram's Storm-petrel
About These Birds
Least Storm-petrel
World's smallest seabird at 13–15 cm. Sooty-black with white rump; short rounded wings. Breeds Baja California islands; ranges offshore in eastern Pacific to Ecuador. Feeds on zooplankton and small fish by pattering on the surface. Nocturnal at breeding colonies; Near Threatened.
Tristram's Storm-petrel
Tristram's Storm-petrel, 24–25 cm, is one of the largest storm-petrels, breeding on small Hawaiian and Ogasawara Islands in the North Pacific. All dark; broad wings, moderate tail fork. Nocturnal at colonies in winter (October–April). Planktivore; poorly known at sea; winters south into tropical Pacific.