Black-bellied Sandgrouse vs Pallas's Sandgrouse
Pterocles orientalis в сравнении с Syrrhaptes paradoxus
Side-by-Side Comparison
| Характеристика | Black-bellied Sandgrouse | Pallas's Sandgrouse |
|---|---|---|
| Научное название | Pterocles orientalis | Syrrhaptes paradoxus |
| Отряд | Pterocliformes | Pterocliformes |
| Семейство | Pteroclidae | Pteroclidae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 45,6 cm (18.0 in) | 47,2 cm (18.6 in) |
| Масса | 427,5 g (15.08 oz) | 250,0 g (8.82 oz) |
| Питание | -- | -- |
| Размер кладки | 2-3 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Общие среды обитания
Black-bellied Sandgrouse only
Нет
Pallas's Sandgrouse only
Song & Call Comparison
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.
Pallas's Sandgrouse
Loud, far-carrying call with penetrating quality; powerful resonant notes audible across open terrain.
Охранный статус
Black-bellied Sandgrouse
Pallas's Sandgrouse
How to Tell Them Apart
Black-bellied Sandgrouse
Black-bellied Sandgrouse: males with black belly; sandy-spotted above; chestnut and black neck bands; white flanks; very dimorphic
Pallas's Sandgrouse
Pallas's Sandgrouse: males with chestnut-and-black belly band; sandy above; pin-like tail; white belly; central Asian steppe species
About These Birds
Black-bellied Sandgrouse
Black-bellied Sandgrouse (Pterocles orientalis) — 32–37 cm. Large; male: chestnut and grey upperparts; black belly; chestnut throat. Inhabits open steppe, semi-desert, and dry farmland from the Canary Islands through the Middle East to Central Asia and northwest India. Granivore; partially migratory. Male belly-soaks to carry water for chicks.
Pallas's Sandgrouse
Pallas's Sandgrouse (Syrrhaptes paradoxus) — 38–42 cm. Sandy-buff with black belly patch; long pin-tail feathers; feathered feet. Inhabits Central Asian steppe and desert from Kazakhstan to Mongolia and northern China. Irruptive migrant; periodically moves west to Europe in large numbers. Granivore; forms large flocks at waterholes.