Przevalski's Partridge vs Annamite Crested Argus
Alectoris magna compared with Rheinardia ocellata
Side-by-Side Comparison
| Attribute | Przevalski's Partridge | Annamite Crested Argus |
|---|---|---|
| Scientific Name | Alectoris magna | Rheinardia ocellata |
| Order | Galliformes | Galliformes |
| Family | Phasianidae | Phasianidae |
| Conservation Status | Least Concern | Critically Endangered |
| Length | — | — |
| Wingspan | 34.5 cm (13.6 in) | 67.1 cm (26.4 in) |
| Weight | 553.0 g (19.51 oz) | 1500.0 g (52.91 oz) |
| Diet | Eats seeds, plant material, and invertebrates in rocky terrain of northwestern China and Central Asia. | Forages on leaf litter for fallen fruits, seeds, invertebrates, and small animals; uses feet to … |
| Clutch Size | 7-20 | 2 |
| Population Trend | — | — |
Habitat Comparison
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.
Annamite Crested Argus
Loud, mournful 'kow-WEE' whistling cries from Vietnam rainforest floor; haunting and fox-like. Males call from log or elevated perch. Alarm is explosive cackle. One of world's rarest galliform voices.
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.
Annamite Crested Argus
Resident of dense montane forest in the Annamite Mountains of Laos and Vietnam, above 400 m; extremely secretive.
Conservation Status
Przevalski's Partridge
Annamite Crested Argus
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 …
Annamite Crested Argus
Brown and buff intricately patterned with ocelli; long broad graduated tail with dark ocellated spots; white-streaked dark crest; bare blue facial skin. Sexes similar but male with much longer tail.
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.
Annamite Crested Argus
One of the most spectacular Phasianidae birds (~1.5 kg), endemic to evergreen forests of Vietnam and Laos. Males possess extraordinary elongated brown-spotted tail feathers. Performs a solitary lekking display on cleared forest arenas. Feeds on fallen fruits and invertebrates. Critically Endangered from deforestation.