African Penguin vs American Crow
Spheniscus demersus 比較対象 Corvus brachyrhynchos
Side-by-Side Comparison
| 属性 | African Penguin | American Crow |
|---|---|---|
| 学名 | Spheniscus demersus | Corvus brachyrhynchos |
| 目 | Sphenisciformes | Passeriformes |
| 科 | Spheniscidae | Corvidae |
| 保全状況 | Endangered | Least Concern |
| 体長 | 60.0 cm (23.6 in) | 45.0 cm (17.7 in) |
| 翼開長 | 42.0 cm (16.5 in) | 99.0 cm (39.0 in) |
| 体重 | 3100.0 g (109.35 oz) | 450.0 g (15.87 oz) |
| 食性 | Small schooling fish, especially sardines and anchovies. Forages within 40 km of the colony, diving … | Highly omnivorous — insects, earthworms, seeds, fruit, eggs, nestlings, carrion, and human food waste. Among … |
| 一腹卵数 | 2 | 3-7 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
African Penguin
Rocky coastlines and offshore islands of southern Africa. Nests in burrows, under boulders, or in surface scrapes.
American Crow
Extremely adaptable — found in farmland, open woodland, suburban neighborhoods, parking lots, and urban parks.
Song & Call Comparison
African Penguin
A loud, donkey-like braying 'waaah-waaah' — hence its nickname 'jackass penguin'. Also gives softer grunts and contact calls at the colony. Highly vocal on breeding beaches.
American Crow
Classic 'caw-caw-caw' repeated in series. Family groups use distinct dialects. Also gives rattling, knocking, and a short 'cah' flight call. Highly social and vocal.
Geographic Range & Migration
African Penguin
Coastal southwestern Africa from Namibia to Port Elizabeth, South Africa. The only penguin species breeding in Africa.
American Crow
North America from southern Canada through the United States to northern Mexico.
保全状況
African Penguin
American Crow
How to Tell Them Apart
African Penguin
Black upperparts and white underparts with a distinctive black horseshoe-shaped band across the breast. Pink patches of bare skin above the eyes help with thermoregulation.
Sturdy, pointed, black bill with a grey band near the tip
American Crow
All black with a slight glossy sheen. Squared-off tail and smooth throat distinguish it from the common raven.
Straight, sturdy black bill smaller than a raven's
About These Birds
African Penguin
南アフリカ西部沿岸とその島嶼に生息するペンギン（体長60〜70cm）。黒い背中と白い腹に黒い縦縞、眼上部のピンクの皮膚が特徴的。Spheniscus demersus（アフリカペンギン）はロバのような「ブレイヤー」という鳴き声から「ジャッカスペンギン」とも呼ばれる。過去1世紀で個体数が97%以上減少し、絶滅危惧種に指定されている。Spheniscidae科。
American Crow
北米全域に広く分布する大型のカラス（体長40〜53cm）。全身光沢のある黒で、知性が高く強い社会性を持つ。Corvus brachyrhynchos（アメリカガラス）は北米で最もよく見られるカラスで、交通量の多い道路に堅い木の実を置いて車に割らせる「道具使用」が観察されている。Corvidae科。