Ferruginous Partridge vs Brown Eared-pheasant
Caloperdix oculeus مقارنةً بـ Crossoptilon mantchuricum
Side-by-Side Comparison
| السمة | Ferruginous Partridge | Brown Eared-pheasant |
|---|---|---|
| الاسم العلمي | Caloperdix oculeus | Crossoptilon mantchuricum |
| الرتبة | Galliformes | Galliformes |
| الفصيلة | Phasianidae | Phasianidae |
| حالة الحفاظ | Near Threatened | Least Concern |
| الطول | — | — |
| طول الجناح | 28,3 cm (11.1 in) | 58,2 cm (22.9 in) |
| الوزن | 210,5 g (7.43 oz) | 1900,0 g (67.02 oz) |
| النظام الغذائي | Eats seeds, invertebrates, and small fruits on floor of Southeast Asian lowland and hill forests. … | Digs in soil for bulbs, tubers, and invertebrates; also takes seeds, berries, and green vegetation. |
| عدد البيض في الوضع | 8-10 | 4-14 |
| 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.
Brown Eared-pheasant
Raucous 'kak-kak-KAAK' calls; similar to White Eared-pheasant but slightly lower; endemic to NE China. Flock communication is loud and sustained. Alarm a series of sharp barks; wing beats very loud.
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.
Brown Eared-pheasant
Endemic to coniferous and mixed forest on mountains in Hebei and Shanxi provinces of northern China, at 1,400–2,900 m; critically restricted range.
حالة الحفاظ
Ferruginous Partridge
Brown Eared-pheasant
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.
Brown Eared-pheasant
Warm chocolate-brown body with paler buff-white tail graduating to dark brown tips; black crown; white ear tufts; brownish flight feathers; scarlet facial skin; whitish lower rump contrasts with brown back.
About These Birds
Ferruginous Partridge
A small partridge (~210 g) of family Phasianidae, with rich ferruginous (rust-red) plumage and spotted black-and-white markings. Inhabits lowland and foothill rainforests in Malaysia, Sumatra, and Borneo. Secretive, foraging on the forest floor for seeds and invertebrates. Near Threatened; associated with primary and tall secondary forest, declining with ongoing logging and land conversion.
Brown Eared-pheasant
A robust Phasianidae pheasant (~1.9 kg) endemic to montane broadleaf and mixed forests of northeastern China. Chocolate-brown with white ear tufts and a white rump. Forms flocks that forage on roots, seeds, and invertebrates. Historically reduced by hunting; conservation efforts have stabilised populations. Least Concern.