Crested Partridge vs Chestnut-necklaced Partridge
Rollulus rouloul compared with Tropicoperdix charltonii
Side-by-Side Comparison
| Attribute | Crested Partridge | Chestnut-necklaced Partridge |
|---|---|---|
| Scientific Name | Rollulus rouloul | Tropicoperdix charltonii |
| Order | Galliformes | Galliformes |
| Family | Phasianidae | Phasianidae |
| Conservation Status | Vulnerable | Vulnerable |
| Length | — | — |
| Wingspan | 27.2 cm (10.7 in) | — |
| Weight | 250.5 g (8.84 oz) | 270.0 g (9.52 oz) |
| Diet | Forages on floor of Southeast Asian lowland rainforests for seeds, fallen fruits, and invertebrates. Scratches … | Ground forager; eats seeds, berries, invertebrates, and small animals in SE Asian lowland and foothill … |
| Clutch Size | 4-6 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Crested Partridge
High-pitched, thin whistled 'seee' repeated persistently; metallic and insect-like. Males call from forest floor, rarely seen. Alarm is an explosive low grunt followed by rapid wing beats.
Chestnut-necklaced Partridge
Clear, ringing 'wii-OO' whistle from Bornean forest understorey; pure and slightly mournful. Alarm is a sharp explosive 'kek'. Pairs call in loose coordination at dawn. Contact notes low, clucking.
Geographic Range & Migration
Crested Partridge
Resident in lowland and foothill rainforest of Myanmar, Thailand, Malaysia, Sumatra, and Borneo. Found below 1,500 m.
Chestnut-necklaced Partridge
Resident of lowland and hill forest in peninsular Malaysia, Sumatra, and southern Thailand, from sea level to 1,000 m.
Conservation Status
Crested Partridge
Chestnut-necklaced Partridge
How to Tell Them Apart
Crested Partridge
Male is dark glossy green-black with vivid red-crimson erectile crest; red orbital skin; chestnut wings. Female is entirely bright emerald green with brown wings, red legs, and grey head; among …
Chestnut-necklaced Partridge
Brown upperparts with dark scaling; broad chestnut pectoral band across buff-white breast; white supercilium; pale orange-buff flanks; green legs. Female paler with narrower or absent chestnut necklace.
About These Birds
Crested Partridge
A small partridge (~250 g) of family Phasianidae, males with vivid crimson crest and iridescent green plumage. Found in lowland tropical rainforests of Southeast Asia including Thailand, Malaysia, Sumatra, and Borneo. Forages on the forest floor for fallen seeds, fruits, and invertebrates. Vulnerable; dependent on primary lowland forest, heavily impacted by deforestation and palm oil expansion.
Chestnut-necklaced Partridge
A small Phasianidae partridge (~270 g) of lowland and hill dipterocarp forests in the Thai-Malay Peninsula, Sumatra, and Borneo. Characterised by a chestnut gorget on the upper breast. Forages for seeds and invertebrates in dense understorey. Vulnerable from extensive lowland forest conversion.