Ferruginous Partridge vs Hazel Grouse
Caloperdix oculeus 비교 대상 Tetrastes bonasia
Side-by-Side Comparison
| 속성 | Ferruginous Partridge | Hazel Grouse |
|---|---|---|
| 학명 | Caloperdix oculeus | Tetrastes bonasia |
| 목 | Galliformes | Galliformes |
| 과 | Phasianidae | Phasianidae |
| 보전 상태 | Near Threatened | Least Concern |
| 체장 | — | — |
| 날개 폭 | 28.3 cm (11.1 in) | — |
| 체중 | 210.5 g (7.43 oz) | 384.0 g (13.55 oz) |
| 식성 | 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 … |
| 산란 수 | 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.
보전 상태
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
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.
Hazel Grouse
개암뇌조는 유럽과 아시아 온대림에 서식하는 소형 뇌조입니다. 갈색과 회색의 복잡한 얼룩무늬 깃털을 가지며, 개암나무 덤불이 우거진 활엽수림에 특히 많이 서식합니다.