African Penguin vs Common Myna
Spheniscus demersus 对比 Acridotheres tristis
Side-by-Side Comparison
| 属性 | African Penguin | Common Myna |
|---|---|---|
| 学名 | Spheniscus demersus | Acridotheres tristis |
| 目 | Sphenisciformes | Passeriformes |
| 科 | Spheniscidae | Sturnidae |
| 保护状况 | Endangered | Least Concern |
| 体长 | 60.0 cm (23.6 in) | 25.0 cm (9.8 in) |
| 翼展 | 42.0 cm (16.5 in) | 38.0 cm (15.0 in) |
| 体重 | 3100.0 g (109.35 oz) | 120.0 g (4.23 oz) |
| 食性 | Small schooling fish, especially sardines and anchovies. Forages within 40 km of the colony, diving … | Omnivorous — insects, fruit, grain, and kitchen scraps. Bold and opportunistic around human settlements. |
| 产卵数 | 2 | 2-6 |
| 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.
Common Myna
Urban areas, farmland, and open woodland. Closely associated with humans and one of the most successful avian urban colonizers.
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.
Common Myna
A noisy, cackling chatter and melodious whistling mixed together. An accomplished mimic of other birds and sounds. Gives repeated 'mee-ow' and harsh 'quarr' alarm calls.
Geographic Range & Migration
African Penguin
Coastal southwestern Africa from Namibia to Port Elizabeth, South Africa. The only penguin species breeding in Africa.
Common Myna
Native to South and Southeast Asia. Introduced and invasive in Australia, South Africa, Middle East, and many Pacific islands.
保护状况
African Penguin
Common Myna
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
Common Myna
Brown body with a glossy black hood, yellow bill, and bare yellow skin behind the eye. White wing patches conspicuous in flight. Yellow legs.
Strong, slightly curved yellow bill
About These Birds
African Penguin
非洲企鹅（学名Spheniscus demersus）是非洲大陆唯一原生的企鹅物种，又称公驴企鹅，因发出类似驴叫的叫声而得名。体重2-3千克，体长60-70厘米。濒危物种（IUCN红色名录），种群数量持续下降，主要受过度捕捞、石油污染和气候变化威胁。繁殖于南非和纳米比亚沿海岛屿。
Common Myna
家八哥（Acridotheres tristis）— 原产于南亚，已被引入世界各地的强适应性椋鸟科鸟类。黄色嘴和眼周黄色裸皮为特征。