Ferruginous Partridge vs Sage Grouse
Caloperdix oculeus 对比 Centrocercus urophasianus
Side-by-Side Comparison
| 属性 | Ferruginous Partridge | Sage Grouse |
|---|---|---|
| 学名 | Caloperdix oculeus | Centrocercus urophasianus |
| 目 | Galliformes | Galliformes |
| 科 | Phasianidae | Phasianidae |
| 保护状况 | Near Threatened | Near Threatened |
| 体长 | — | — |
| 翼展 | 28.3 cm (11.1 in) | 61.2 cm (24.1 in) |
| 体重 | 210.5 g (7.43 oz) | 2100.0 g (74.08 oz) |
| 食性 | Eats seeds, invertebrates, and small fruits on floor of Southeast Asian lowland and hill forests. … | Feeds almost entirely on sagebrush leaves and buds in winter; insects and forbs important in … |
| 产卵数 | 8-10 | 7-15 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Ferruginous Partridge
Sharp, staccato 'krik-krik-krik' calls from lowland rainforest; often given in duet. Alarm is a loud, rapid chattering rattle; contact notes between pairs soft and clucking.
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.
Geographic Range & Migration
Ferruginous Partridge
Resident in lowland rainforest of the Thai-Malay Peninsula, Sumatra, and Borneo. Found in flat or gently sloping lowland forest.
Sage Grouse
Resident in sagebrush habitat of the western United States and southwestern Canada. Found in semi-arid plains with Artemisia. Vulnerable.
保护状况
Ferruginous Partridge
Sage Grouse
How to Tell Them Apart
Ferruginous Partridge
Rich ferruginous (deep rusty-orange) overall; upperparts black-and-rufous barred; flanks black boldly spotted white; bare red facial skin; underparts rufous-orange; one of the most vividly coloured Southeast Asian partridges.
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.
About These Birds
Ferruginous Partridge
锈红山鹑，约210克，锈红色有黑白斑点，分布于马来西亚、苏门答腊和婆罗洲，近危。
Sage Grouse
大草原松鸡，约2.1千克，北美最大的松鸡，有尖刺尾羽和黄色气囊，依赖大艾蒿，近危。