Least Auklet vs Japanese Murrelet
Aethia pusilla so với Synthliboramphus wumizusume
Side-by-Side Comparison
| Thuộc Tính | Least Auklet | Japanese Murrelet |
|---|---|---|
| Tên Khoa Học | Aethia pusilla | Synthliboramphus wumizusume |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Alcidae | Alcidae |
| Tình Trạng Bảo Tồn | Least Concern | Vulnerable |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 18,9 cm (7.4 in) | 24,0 cm (9.4 in) |
| Khối Lượng | 84,33333333333333 g (2.97 oz) | 171,6 g (6.05 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Least Concern
Least Auklet
Vulnerable
Japanese Murrelet
About These Birds
Least Auklet
Least Auklet, 15–16 cm, is the smallest auk, breeding in immense colonies (millions) on rocky Aleutian and Bering Sea islands. Dark above, streaked white below; a tiny white plume above the eye. Planktivore; sieves copepods and euphausiids at sea. Makes loud buzzing display choruses at colony.
Japanese Murrelet
Japanese Murrelet, 26–28 cm, is a Vulnerable alcid endemic to Japan, breeding on rocky islets in the Pacific. Black head with a small white supercilium stripe; grey back. Nests in rock crevices; chicks led to sea while still tiny. Piscivore; threatened by gill-net bycatch and feral predators on islands.