Pin-tailed Sandgrouse vs Black-bellied Sandgrouse
Pterocles alchata 对比 Pterocles orientalis
Side-by-Side Comparison
| 属性 | Pin-tailed Sandgrouse | Black-bellied Sandgrouse |
|---|---|---|
| 学名 | Pterocles alchata | Pterocles orientalis |
| 目 | Pterocliformes | Pterocliformes |
| 科 | Pteroclidae | Pteroclidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 38.8 cm (15.3 in) | 45.6 cm (18.0 in) |
| 体重 | 308.75 g (10.89 oz) | 427.5 g (15.08 oz) |
| 食性 | -- | -- |
| 产卵数 | 2-4 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Pin-tailed Sandgrouse
Loud, far-carrying call with resonant quality; powerful notes audible across open arid terrain. Vocalization pattern typical of this species in its native habitat.
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
Pin-tailed Sandgrouse
Black-bellied Sandgrouse
How to Tell Them Apart
Pin-tailed Sandgrouse
Pin-tailed Sandgrouse: males with white and chestnut belly band; pale sandy above; pin-like elongated tail; green-faced; pallid below
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
Pin-tailed Sandgrouse
Pin-tailed Sandgrouse (Pterocles alchata) — 31–39 cm (plus tail pins). Boldly marked; male with chestnut and green breast bands; white belly; long pin-like central tail feathers. Inhabits arid steppe, dry grassland, and cultivation from Spain to Central Asia and Pakistan. Granivore; highly gregarious. Males carry water in belly feathers to chicks.
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。