Least Storm-petrel vs Townsend's Storm-petrel
Hydrobates microsoma so với Hydrobates socorroensis
Side-by-Side Comparison
| Thuộc Tính | Least Storm-petrel | Townsend's Storm-petrel |
|---|---|---|
| Tên Khoa Học | Hydrobates microsoma | Hydrobates socorroensis |
| Bộ | Procellariiformes | Procellariiformes |
| Họ | Hydrobatidae | Hydrobatidae |
| Tình Trạng Bảo Tồn | Least Concern | Endangered |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 23,8 cm (9.4 in) | 30,1 cm (11.9 in) |
| Khối Lượng | 18,0 g (0.63 oz) | 33,2 g (1.17 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1 | 1 |
| Population Trend | — | — |
Tình Trạng Bảo Tồn
Least Concern
Least Storm-petrel
Endangered
Townsend'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.
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.