Green Pheasant vs Crested Partridge
Phasianus versicolor compared with Rollulus rouloul
Side-by-Side Comparison
| Attribute | Green Pheasant | Crested Partridge |
|---|---|---|
| Scientific Name | Phasianus versicolor | Rollulus rouloul |
| Order | Galliformes | Galliformes |
| Family | Phasianidae | Phasianidae |
| Conservation Status | Least Concern | Vulnerable |
| Length | — | — |
| Wingspan | 44.1 cm (17.4 in) | 27.2 cm (10.7 in) |
| Weight | 990.5 g (34.94 oz) | 250.5 g (8.84 oz) |
| Diet | Feeds on seeds, grain, berries, roots, and invertebrates; forages in farmland, grassland, and woodland edges. | Forages on floor of Southeast Asian lowland rainforests for seeds, fallen fruits, and invertebrates. Scratches … |
| Clutch Size | 6-12 | 4-6 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Green Pheasant
Crow-like 'ko-KOH' with deeper, more resonant quality than Common Pheasant; Japanese endemic calling from forest edge at dawn. Alarm is explosive cackle and wing-beating. Contact calls low clucks.
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.
Geographic Range & Migration
Green Pheasant
Endemic to Japan; resident of farmland, scrub, and open woodland on Honshu, Shikoku, and Kyushu; national bird of Japan.
Crested Partridge
Resident in lowland and foothill rainforest of Myanmar, Thailand, Malaysia, Sumatra, and Borneo. Found below 1,500 m.
Conservation Status
Green Pheasant
Crested Partridge
How to Tell Them Apart
Green Pheasant
Male with deep iridescent bottle-green body and purple-green gloss on breast and flanks; dark green tail barred black; iridescent green head with red wattle; no white neck ring. Female mottled …
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 …
About These Birds
Green Pheasant
The national bird of Japan, this Phasianidae pheasant (~991 g) inhabits open woodland, farmland, and scrub across the Japanese archipelago. Males are richly iridescent green with purple-tinged breast. Feeds on seeds, fruits, invertebrates, and small vertebrates. Least Concern as a managed gamebird.
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.