Przevalski's Partridge vs Long-billed Partridge
Alectoris magna в сравнении с Rhizothera longirostris
Side-by-Side Comparison
| Характеристика | Przevalski's Partridge | Long-billed Partridge |
|---|---|---|
| Научное название | Alectoris magna | Rhizothera longirostris |
| Отряд | Galliformes | Galliformes |
| Семейство | Phasianidae | Phasianidae |
| Охранный статус | Least Concern | Near Threatened |
| Длина | — | — |
| Размах крыльев | 34,5 cm (13.6 in) | 36,9 cm (14.5 in) |
| Масса | 553,0 g (19.51 oz) | 748,5 g (26.40 oz) |
| Питание | Eats seeds, plant material, and invertebrates in rocky terrain of northwestern China and Central Asia. | Forages in lowland rainforest for seeds, fallen fruit, invertebrates, and small animals; probes leaf litter … |
| Размер кладки | 7-20 | 2-5 |
| Population Trend | — | — |
Habitat Comparison
Общие среды обитания
Нет
Przevalski's Partridge only
Long-billed Partridge only
Song & Call Comparison
Przevalski's Partridge
Loud, resonant 'chuck-chuck-CHURR' calls from Chinese loess plateau and Qinghai rocky terrain; lower and slightly fuller than Chukar. Alarm is rapid harsh cackle. Pairs call in duet at dawn.
Long-billed Partridge
Loud, resonant 'whurr-WHEEE' whistle from Bornean lowland forest; far-carrying and slightly mournful. Alarm is a rapid chattering cackle. Contact calls between pairs are low, guttural clucks.
Geographic Range & Migration
Przevalski's Partridge
Resident of rocky semi-arid hillsides in northwestern China (Qinghai, Gansu, Xinjiang) and adjacent Mongolia, at 1,500–3,500 m.
Long-billed Partridge
Resident of lowland and hill dipterocarp forest in peninsular Malaysia, Sumatra, and Borneo up to 900 m elevation.
Охранный статус
Przevalski's Partridge
Long-billed Partridge
How to Tell Them Apart
Przevalski's Partridge
Large partridge; grey upperparts; white face and throat with narrow black gorget; broader and more distinct chestnut and white barring on flanks than Chukar; grey breast; red bill; larger overall …
Long-billed Partridge
Rich chestnut-brown upperparts with black scalloping; pale grey face and throat; buff-white underparts with dark brown streaking on flanks; distinctive elongated pale yellow bill and red orbital skin.
About These Birds
Przevalski's Partridge
A large Phasianidae partridge (~553 g) of rocky semi-arid terrain and loess gullies in the Gansu corridor and adjacent Yellow River basin, northern China. Closely related to Chukar but notably larger. Feeds on seeds, leaves, and invertebrates. Tolerates cold winters; forms winter coveys. Least Concern.
Long-billed Partridge
A distinctive Phasianidae partridge (~749 g) of lowland and foothill rainforests in Sundaland. Named for its notably elongated bill used to probe leaf litter for invertebrates and seeds. Secretive and seldom seen; Near Threatened from deforestation across Borneo and the Malay Peninsula.