Sage Grouse vs Crested Partridge
Centrocercus urophasianus 比較対象 Rollulus rouloul
Side-by-Side Comparison
| 属性 | Sage Grouse | Crested Partridge |
|---|---|---|
| 学名 | Centrocercus urophasianus | Rollulus rouloul |
| 目 | Galliformes | Galliformes |
| 科 | Phasianidae | Phasianidae |
| 保全状況 | Near Threatened | Vulnerable |
| 体長 | — | — |
| 翼開長 | 61.2 cm (24.1 in) | 27.2 cm (10.7 in) |
| 体重 | 2100.0 g (74.08 oz) | 250.5 g (8.84 oz) |
| 食性 | Feeds almost entirely on sagebrush leaves and buds in winter; insects and forbs important in … | Forages on floor of Southeast Asian lowland rainforests for seeds, fallen fruits, and invertebrates. Scratches … |
| 一腹卵数 | 7-15 | 4-6 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Sage Grouse
Males produce extraordinary lek display: deep swishing 'swish-swish-coo-OO-ploop' using air sacs; low frequency, liquid, and otherworldly. Alarm is a cackling 'cac-cac'; females cluck softly.
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
Sage Grouse
Resident in sagebrush habitat of the western United States and southwestern Canada. Found in semi-arid plains with Artemisia. Vulnerable.
Crested Partridge
Resident in lowland and foothill rainforest of Myanmar, Thailand, Malaysia, Sumatra, and Borneo. Found below 1,500 m.
保全状況
Sage Grouse
Crested Partridge
How to Tell Them Apart
Sage Grouse
Male has black belly, white breast, spiky pointed tail; yellow eye-combs; during display inflates yellow-green bare breast sacs exposing white feather ruff. Female mottled brown with dark belly patch.
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
Sage Grouse
体重約2.1kgの北米最大のライチョウ。棘状の尾羽と黄色の気嚢を持ち、セージブラッシュに依存する準絶滅危惧種。
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.