Sooty Grouse vs Crested Partridge
Dendragapus fuliginosus 비교 대상 Rollulus rouloul
Side-by-Side Comparison
| 속성 | Sooty Grouse | Crested Partridge |
|---|---|---|
| 학명 | Dendragapus fuliginosus | Rollulus rouloul |
| 목 | Galliformes | Galliformes |
| 과 | Phasianidae | Phasianidae |
| 보전 상태 | Least Concern | Vulnerable |
| 체장 | — | — |
| 날개 폭 | 44.6 cm (17.6 in) | 27.2 cm (10.7 in) |
| 체중 | 1016.25 g (35.85 oz) | 250.5 g (8.84 oz) |
| 식성 | Feeds on conifer needles, especially Douglas-fir, in winter; berries, leaves, seeds, and insects in summer. | Forages on floor of Southeast Asian lowland rainforests for seeds, fallen fruits, and invertebrates. Scratches … |
| 산란 수 | 6-12 | 4-6 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Sooty Grouse
Deep, booming 'hoot-hoot-hoot-hoot-hoot' from treetop perch; inflated cervical sacs amplify resonance. Similar to Dusky Grouse but with subtle tonal differences. Alarm is rapid sharp clucking.
Crested Partridge
High-pitched, thin whistled 'seee' repeated persistently; metallic and insect-like. Males call from forest floor, rarely seen. Alarm is an explosive low grunt followed by rapid wing beats.
Geographic Range & Migration
Sooty Grouse
Resident along the Pacific coast and Cascade-Sierra ranges from Alaska south to northern California. Found in coastal coniferous forest.
Crested Partridge
Resident in lowland and foothill rainforest of Myanmar, Thailand, Malaysia, Sumatra, and Borneo. Found below 1,500 m.
보전 상태
Sooty Grouse
Crested Partridge
How to Tell Them Apart
Sooty Grouse
Male is dark sooty-grey; tail grey with broad pale grey terminal band; yellow eye-comb; bare pink-purple neck sac visible during display. Female mottled dark brown; overall darker than Dusky Grouse.
Crested Partridge
Male is dark glossy green-black with vivid red-crimson erectile crest; red orbital skin; chestnut wings. Female is entirely bright emerald green with brown wings, red legs, and grey head; among …
About These Birds
Sooty Grouse
약 1kg의 Phasianidae 과 대형 뇌조로 수컷은 균일한 어두운 그을린 회색 깃털에 노란-주황색 눈 볏. 알래스카에서 캘리포니아까지 해안·태평양 산지림에 서식. 겨울에는 전나무·솔 등 침엽수 잎을 먹고 여름에는 장과류와 무척추동물. 대부분의 새와 반대로 겨울에 상향 이동. 최소 관심; 태평양 해안 산맥에서 흔하다.
Crested Partridge
A small partridge (~250 g) of family Phasianidae, males with vivid crimson crest and iridescent green plumage. Found in lowland tropical rainforests of Southeast Asia including Thailand, Malaysia, Sumatra, and Borneo. Forages on the forest floor for fallen seeds, fruits, and invertebrates. Vulnerable; dependent on primary lowland forest, heavily impacted by deforestation and palm oil expansion.