Least Auklet vs Guadalupe Murrelet
Aethia pusilla 比較対象 Synthliboramphus hypoleucus
Side-by-Side Comparison
| 属性 | Least Auklet | Guadalupe Murrelet |
|---|---|---|
| 学名 | Aethia pusilla | Synthliboramphus hypoleucus |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Alcidae | Alcidae |
| 保全状況 | Least Concern | Endangered |
| 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) | 160.5 g (5.66 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 1 | 2 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Least Concern
Least Auklet
Endangered
Guadalupe 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.
Guadalupe Murrelet
Guadalupe Murrelet, 22–24 cm, breeds only on Guadalupe Island off Baja California. Very similar to Scripps's Murrelet but with more extensive white on the face. Critically Endangered; fewer than 1,000 individuals; nesting habitat threatened by feral cats and goats (now being controlled). Piscivore.