European Storm-petrel vs Tristram's Storm-petrel
Hydrobates pelagicus so với Hydrobates tristrami
Side-by-Side Comparison
| Thuộc Tính | European Storm-petrel | Tristram's Storm-petrel |
|---|---|---|
| Tên Khoa Học | Hydrobates pelagicus | 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 | 26,5 g (0.93 oz) | 89,0 g (3.14 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1 | 1 |
| Population Trend | — | — |
Tình Trạng Bảo Tồn
Least Concern
European Storm-petrel
Least Concern
Tristram's Storm-petrel
About These Birds
European Storm-petrel
European Storm-petrel, 14–18 cm, wingspan 36–39 cm, is the smallest seabird in European waters, breeding in burrows and rock crevices on Atlantic islands from Iceland to the Mediterranean. Entirely sooty black with white rump. Strictly nocturnal at colonies. Planktivore; patters over wave surface picking up oil and plankton.
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.