Siberian Grouse vs Crested Partridge
Falcipennis falcipennis 比較対象 Rollulus rouloul
Side-by-Side Comparison
| 属性 | Siberian Grouse | Crested Partridge |
|---|---|---|
| 学名 | Falcipennis falcipennis | Rollulus rouloul |
| 目 | Galliformes | Galliformes |
| 科 | Phasianidae | Phasianidae |
| 保全状況 | Near Threatened | Vulnerable |
| 体長 | — | — |
| 翼開長 | 35.8 cm (14.1 in) | 27.2 cm (10.7 in) |
| 体重 | 676.25 g (23.85 oz) | 250.5 g (8.84 oz) |
| 食性 | Feeds heavily on conifer needles, especially larch and spruce; supplements with berries, buds, and insects … | Forages on floor of Southeast Asian lowland rainforests for seeds, fallen fruits, and invertebrates. Scratches … |
| 一腹卵数 | 6-12 | 4-6 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Siberian Grouse
Males display with soft, low 'bup-bup-bup' drumming and fanned tail vibration; rarely vocal. Alarm is a quiet 'tsip'. Contact calls are soft clucks. Very silent overall; reliant on visual displays.
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
Siberian Grouse
Resident of boreal coniferous forests in eastern Russia, from the Yenisei River east to the Sea of Okhotsk and Sakhalin Island.
Crested Partridge
Resident in lowland and foothill rainforest of Myanmar, Thailand, Malaysia, Sumatra, and Borneo. Found below 1,500 m.
保全状況
Siberian Grouse
Crested Partridge
How to Tell Them Apart
Siberian Grouse
Male sooty-black overall with white-spotted breast and flanks; bold white terminal band on dark tail; red superciliary comb. Female cryptically barred rufous-brown and black throughout.
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
Siberian Grouse
ロシア極東のタイガに生息するライチョウで、体重約676g。準絶滅危惧種に指定されている。
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.