Ruffed Grouse vs Ferruginous Partridge
Bonasa umbellus 비교 대상 Caloperdix oculeus
Side-by-Side Comparison
| 속성 | Ruffed Grouse | Ferruginous Partridge |
|---|---|---|
| 학명 | Bonasa umbellus | Caloperdix oculeus |
| 목 | Galliformes | Galliformes |
| 과 | Phasianidae | Phasianidae |
| 보전 상태 | Least Concern | Near Threatened |
| 체장 | — | — |
| 날개 폭 | 36.6 cm (14.4 in) | 28.3 cm (11.1 in) |
| 체중 | 613.0 g (21.62 oz) | 210.5 g (7.43 oz) |
| 식성 | Buds, catkins, and leaves of deciduous trees dominate diet in winter; berries, seeds, and invertebrates … | Eats seeds, invertebrates, and small fruits on floor of Southeast Asian lowland and hill forests. … |
| 산란 수 | 6-15 | 8-10 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Ruffed Grouse
Males produce deep, accelerating drumming with wings on hollow logs; thump-thump-thump-rrrrrr. Vocal calls include soft 'quit-quit'; alarm is a sharp 'pit'. Drumming carries up to 400 meters.
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.
Geographic Range & Migration
Ruffed Grouse
Resident across boreal forests of North America from Alaska south to the Appalachians. Found in deciduous and mixed woodland. Largely sedentary.
Ferruginous Partridge
Resident in lowland rainforest of the Thai-Malay Peninsula, Sumatra, and Borneo. Found in flat or gently sloping lowland forest.
보전 상태
Ruffed Grouse
Ferruginous Partridge
How to Tell Them Apart
Ruffed Grouse
Cryptic brown or grey morph; broad black ruff on neck sides; tail broadly banded grey with black subterminal bar; underparts barred buff and brown; red eye-comb; two colour morphs vary …
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.
About These Birds
Ruffed Grouse
부채꼬리뇌조는 북미 낙엽수림과 혼합림에 서식하는 중간 크기의 뇌조(약 610g)로 꿩과에 속합니다. 부채 모양 꼬리와 목 주름이 있는 갈색과 회색의 훌륭한 위장 깃털. 수컷은 날개를 두드려 독특한 우르릉거리는 소리를 냅니다. 싹, 잎, 열매를 먹습니다. 넓은 북미 숲 범위에서 중요한 게임 새인 관심대상 종입니다.
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.