Ferruginous Partridge vs Hazel Grouse
Caloperdix oculeus 比較対象 Tetrastes bonasia
Side-by-Side Comparison
| 属性 | Ferruginous Partridge | Hazel Grouse |
|---|---|---|
| 学名 | Caloperdix oculeus | Tetrastes bonasia |
| 目 | Galliformes | Galliformes |
| 科 | Phasianidae | Phasianidae |
| 保全状況 | Near Threatened | Least Concern |
| 体長 | — | — |
| 翼開長 | 28.3 cm (11.1 in) | — |
| 体重 | 210.5 g (7.43 oz) | 384.0 g (13.55 oz) |
| 食性 | Eats seeds, invertebrates, and small fruits on floor of Southeast Asian lowland and hill forests. … | Eats buds, catkins, berries, and seeds of deciduous shrubs and trees year-round. Winter diet dominated … |
| 一腹卵数 | 8-10 | 5-14 |
| 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.
Hazel Grouse
Very high-pitched, thin whistled 'tseeee-tsi-tsi-tsi-tseeee'; almost insect-like and easy to miss. Male and female calls differ slightly in pitch. Alarm is a sharp 'tsip'; wing drumming display rare.
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.
Hazel Grouse
Resident across boreal forests of Europe, Russia, and Siberia east to Sakhalin and northern China. Found in mixed conifer-deciduous forest.
保全状況
Ferruginous Partridge
Hazel 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.
Hazel Grouse
Finely mottled grey-brown above; male has black throat bordered white; underparts white with chestnut-brown barring; tail grey with black subterminal band; small red eye-comb; female lacks black throat.
About These Birds
Ferruginous Partridge
体重約210gの錆赤色・黒白の斑点を持つヤマウズラ。マレーシア・スマトラ・ボルネオに生息する準絶滅危惧種。
Hazel Grouse
ハシバミライチョウはユーラシアの落葉広葉樹林と針葉樹林の混交林に生息しています。ハシバミの実を好んで食べることから名前がついています。