Black Guillemot vs Thick-billed Murre
Cepphus grylle so với Uria lomvia
Side-by-Side Comparison
| Thuộc Tính | Black Guillemot | Thick-billed Murre |
|---|---|---|
| Tên Khoa Học | Cepphus grylle | Uria lomvia |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Alcidae | Alcidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 30,8 cm (12.1 in) | 41,4 cm (16.3 in) |
| Khối Lượng | 421,8666666666666 g (14.88 oz) | 945,75 g (33.36 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1-2 | 1 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Least Concern
Black Guillemot
Least Concern
Thick-billed Murre
About These Birds
Black Guillemot
Black Guillemot, 30–32 cm, is a compact North Atlantic alcid, distinctive in summer: entirely black with bold white wing patches and vivid red feet. Resident on rocky Arctic and boreal shores year-round; does not undertake long pelagic migrations. Dives to 50 m for blennies and sand eels near shore.
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.