Atlantic Puffin vs Rhinoceros Auklet
Fratercula arctica 比較対象 Cerorhinca monocerata
Side-by-Side Comparison
| 属性 | Atlantic Puffin | Rhinoceros Auklet |
|---|---|---|
| 学名 | Fratercula arctica | Cerorhinca monocerata |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Alcidae | Alcidae |
| 保全状況 | Vulnerable | Least Concern |
| 体長 | 30.0 cm (11.8 in) | — |
| 翼開長 | 56.0 cm (22.0 in) | 35.8 cm (14.1 in) |
| 体重 | 380.0 g (13.40 oz) | 503.75 g (17.77 oz) |
| 食性 | Small fish, especially sand eels, herring, and capelin. Dives underwater using wings for propulsion, catching … | -- |
| 一腹卵数 | 1 | 1 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Atlantic Puffin
Breeds on grassy cliff tops and offshore islands. Spends winter entirely at sea in the North Atlantic.
Song & Call Comparison
Atlantic Puffin
At burrow gives a low, moaning 'arr-arr-arr' growl. Silent at sea. At breeding colonies produces a series of grunting croaks. Chicks give soft peeping calls.
Rhinoceros Auklet
Geographic Range & Migration
Atlantic Puffin
North Atlantic from eastern Canada and northeastern United States to Iceland, Norway, and northwest Russia.
Rhinoceros Auklet
保全状況
Atlantic Puffin
Rhinoceros Auklet
How to Tell Them Apart
Atlantic Puffin
Black upperparts and white underparts with a distinctive white face. In breeding season, the face brightens and colourful bill plates develop. Winter plumage is duller with a darker face.
Large, laterally compressed, triangular bill — bright orange, blue, and yellow in breeding season
Rhinoceros Auklet
About These Birds
Atlantic Puffin
「海のピエロ」とも呼ばれるニシツノメドリは、北海の崖に穴を掘って営巣する魅力的な海鳥。口蓋に後ろ向きの棘があるため、一度に12匹もの魚を横向きにくわえて運ぶことができる。気候変動と乱獲による餌不足が脅威となり、個体数が減少している。
Rhinoceros Auklet
ツノメドリ、37〜41 cm。北太平洋（カリフォルニアから日本）の島嶼の巣穴でコロニー繁殖。繁殖羽成鳥は嘴基部に突起状の角と白い顔面飾り羽を持つ。潜水して魚を捕食。