Crowned Sandgrouse vs Black-bellied Sandgrouse
Pterocles coronatus 对比 Pterocles orientalis
Side-by-Side Comparison
| 属性 | Crowned Sandgrouse | Black-bellied Sandgrouse |
|---|---|---|
| 学名 | Pterocles coronatus | Pterocles orientalis |
| 目 | Pterocliformes | Pterocliformes |
| 科 | Pteroclidae | Pteroclidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 38.4 cm (15.1 in) | 45.6 cm (18.0 in) |
| 体重 | 280.0 g (9.88 oz) | 427.5 g (15.08 oz) |
| 食性 | -- | -- |
| 产卵数 | 3 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Crowned Sandgrouse
Loud, melodious crowning call; distinctive resonant notes carrying across North African dry open landscape.
Black-bellied Sandgrouse
Loud, carrying call with resonant quality; deep notes carrying well across open dry terrain. Vocalization pattern typical of this species in its native habitat.
保护状况
Crowned Sandgrouse
Black-bellied Sandgrouse
How to Tell Them Apart
Crowned Sandgrouse
Crowned Sandgrouse: pale sandy-cream; pinkish-orange crown; black facial markings; white belly; sandy above; African-Arabian desert
Black-bellied Sandgrouse
Black-bellied Sandgrouse: males with black belly; sandy-spotted above; chestnut and black neck bands; white flanks; very dimorphic
About These Birds
Crowned Sandgrouse
Crowned Sandgrouse (Pterocles coronatus) — 26–30 cm. Pale sandy with fine markings; male with orange face and black-and-white forehead pattern; short tail. Inhabits stony and rocky desert from the Sahara through the Middle East to Pakistan. Granivore; highly cryptic against rock and gravel. Drinks at dawn.
Black-bellied Sandgrouse
黑腹沙鸡（约360克）雄鸟具有复杂的棕色、黑色和黄色羽毛及黑色腹部。广布于中亚至伊比利亚半岛的干旱和半干旱草地及荒漠。以种子为食，常长距离飞至水源饮水，雄鸟会用腹部羽毛向雏鸟运水。近危；因农业变化和干旱导致草地退化而面临威胁。