Least Auklet vs Craveri's Murrelet
Aethia pusilla 比較対象 Synthliboramphus craveri
Side-by-Side Comparison
| 属性 | Least Auklet | Craveri's Murrelet |
|---|---|---|
| 学名 | Aethia pusilla | Synthliboramphus craveri |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Alcidae | Alcidae |
| 保全状況 | Least Concern | Vulnerable |
| 体長 | — | — |
| 翼開長 | 18.9 cm (7.4 in) | 23.9 cm (9.4 in) |
| 体重 | 84.33333333333333 g (2.97 oz) | 150.5 g (5.31 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 1 | 2 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Least Concern
Least Auklet
Vulnerable
Craveri's 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.
Craveri's Murrelet
Craveri's Murrelet, 21–23 cm, breeds on Gulf of California islands, dispersing into the Pacific after breeding. Darkest Synthliboramphus murrelet; less white on face than Scripps's. Near Threatened; small population threatened by introduced predators on nesting islands and bycatch in gill nets.