Band-rumped Storm-petrel vs Townsend's Storm-petrel
Hydrobates castro so với Hydrobates socorroensis
Side-by-Side Comparison
| Thuộc Tính | Band-rumped Storm-petrel | Townsend's Storm-petrel |
|---|---|---|
| Tên Khoa Học | Hydrobates castro | Hydrobates socorroensis |
| Bộ | Procellariiformes | Procellariiformes |
| Họ | Hydrobatidae | Hydrobatidae |
| Tình Trạng Bảo Tồn | Least Concern | Endangered |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 30,1 cm (11.9 in) | 30,1 cm (11.9 in) |
| Khối Lượng | 49,25 g (1.74 oz) | 33,2 g (1.17 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1 | 1 |
| Population Trend | — | — |
Tình Trạng Bảo Tồn
Least Concern
Band-rumped Storm-petrel
Endangered
Townsend's Storm-petrel
About These Birds
Band-rumped Storm-petrel
Band-rumped Storm-petrel, 19–21 cm, breeds on Atlantic and Pacific volcanic islands including the Azores, Canaries, and Galápagos. Sooty brown with a white rump band; similar to Leach's but straighter wingtips and steadier flight. Multiple cryptic species may be involved. Planktivore; widespread pelagic.
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.