Rhinoceros Auklet vs Ancient Murrelet
Cerorhinca monocerata so với Synthliboramphus antiquus
Side-by-Side Comparison
| Thuộc Tính | Rhinoceros Auklet | Ancient Murrelet |
|---|---|---|
| Tên Khoa Học | Cerorhinca monocerata | Synthliboramphus antiquus |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Alcidae | Alcidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 35,8 cm (14.1 in) | 27,1 cm (10.7 in) |
| Khối Lượng | 503,75 g (17.77 oz) | 208,16666666666666 g (7.34 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1 | 2 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Least Concern
Rhinoceros Auklet
Least Concern
Ancient Murrelet
About These Birds
Rhinoceros Auklet
Rhinoceros Auklet, 37–41 cm, breeds colonially in burrows on North Pacific islands from California to Japan. Adults develop a prominent horn at bill base in breeding plumage plus white facial plumes. Nocturnal at colonies. Piscivore; dives up to 50 m for sand lance and herring. Winters at sea.
Ancient Murrelet
Ancient Murrelet, 24–27 cm, breeds in burrows on North Pacific islands from British Columbia to Japan. Black hood, grey back, white underparts with yellow bill. Nocturnal at colonies to avoid predators. Chicks lead-march to sea within days of hatching — abandoning the nest very early. Planktivore and piscivore.