Ancient Murrelet vs Thick-billed Murre
Synthliboramphus antiquus so với Uria lomvia
Side-by-Side Comparison
| Thuộc Tính | Ancient Murrelet | Thick-billed Murre |
|---|---|---|
| Tên Khoa Học | Synthliboramphus antiquus | Uria lomvia |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Alcidae | Alcidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 27,1 cm (10.7 in) | 41,4 cm (16.3 in) |
| Khối Lượng | 208,16666666666666 g (7.34 oz) | 945,75 g (33.36 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 2 | 1 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Least Concern
Ancient Murrelet
Least Concern
Thick-billed Murre
About These Birds
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.
Thick-billed Murre
Thick-billed Murre (Brünnich's Guillemot), 39–43 cm, breeds in enormous cliff colonies across the Arctic from Newfoundland to Siberia. Thicker, shorter bill with white gape line. Dives to 200+ m — deepest diver among alcids. Piscivore; takes capelin, cod. Vulnerable to climate change in the High Arctic.