Hill Partridge vs Annamite Crested Argus
Arborophila torqueola compared with Rheinardia ocellata
Side-by-Side Comparison
| Attribute | Hill Partridge | Annamite Crested Argus |
|---|---|---|
| Scientific Name | Arborophila torqueola | Rheinardia ocellata |
| Order | Galliformes | Galliformes |
| Family | Phasianidae | Phasianidae |
| Conservation Status | Least Concern | Critically Endangered |
| Length | — | — |
| Wingspan | 27.3 cm (10.7 in) | 67.1 cm (26.4 in) |
| Weight | 342.0 g (12.06 oz) | 1500.0 g (52.91 oz) |
| Diet | Forages on Himalayan forest floor for seeds, invertebrates, and small fruits. Scratches leaf litter in … | Forages on leaf litter for fallen fruits, seeds, invertebrates, and small animals; uses feet to … |
| Clutch Size | 3-9 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Hill Partridge
Repeated melodic whistle 'wi-WHEEEOO' rising and falling; pairs often duet. Males sing from hillside undergrowth at dawn. Alarm is a sharp, emphatic 'kek' or staccato clucking.
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
Hill Partridge
Resident in the Himalayas and hills of India, Nepal, Bhutan, and southern China at 1,000-3,500 m. Found in oak and rhododendron forest.
Annamite Crested Argus
Resident of dense montane forest in the Annamite Mountains of Laos and Vietnam, above 400 m; extremely secretive.
Conservation Status
Hill Partridge
Annamite Crested Argus
How to Tell Them Apart
Hill Partridge
Male has orange-rufous face, white-spotted black throat collar, grey breast, and chestnut flanks streaked white on dark brown back. Female has brown face with buff streaking, less vivid collar.
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
Hill Partridge
A medium-sized partridge (~340 g) of family Phasianidae, with intricate rufous, black, and white patterning and an orange-rufous head. Inhabits subtropical and montane broadleaved forests and bamboo thickets in the Himalayas from Pakistan to southwestern China. Forages on the forest floor for seeds, berries, and invertebrates. Least Concern; common in Himalayan foothills.
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.