Gunnison Grouse vs Crested Partridge
Centrocercus minimus 비교 대상 Rollulus rouloul
Side-by-Side Comparison
| 속성 | Gunnison Grouse | Crested Partridge |
|---|---|---|
| 학명 | Centrocercus minimus | Rollulus rouloul |
| 목 | Galliformes | Galliformes |
| 과 | Phasianidae | Phasianidae |
| 보전 상태 | Endangered | Vulnerable |
| 체장 | — | — |
| 날개 폭 | 57.0 cm (22.4 in) | 27.2 cm (10.7 in) |
| 체중 | 1575.0 g (55.56 oz) | 250.5 g (8.84 oz) |
| 식성 | Highly dependent on sagebrush for winter foliage; eats forbs and invertebrates in spring and summer. … | Forages on floor of Southeast Asian lowland rainforests for seeds, fallen fruits, and invertebrates. Scratches … |
| 산란 수 | 6-10 | 4-6 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Gunnison Grouse
Lek display similar to Sage Grouse but faster and higher-pitched: 'swish-swish-ploop-ploop'; 9-note sequence vs. 7 in Sage Grouse. Plume rattle more pronounced. Alarm is harsh cacking.
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
Gunnison Grouse
Endemic to Gunnison Basin and adjacent areas of southwestern Colorado. Found in sagebrush habitat. Critically endangered.
Crested Partridge
Resident in lowland and foothill rainforest of Myanmar, Thailand, Malaysia, Sumatra, and Borneo. Found below 1,500 m.
보전 상태
Gunnison Grouse
Crested Partridge
How to Tell Them Apart
Gunnison Grouse
Male similar to Sage Grouse but smaller; black belly, white breast, spiky tail with more white barring; prominent white neck filoplumes; yellow eye-combs; yellow-green breast air sacs used in display.
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
Gunnison Grouse
세이지 뇌조와 밀접하게 관련된 대형 뇌조(약 1.6 kg)로, 더 작고 구애 과시 중 더 긴 필로플룸을 가진다. 콜로라도 남서부 건시즌 분지와 유타 일부에 제한적으로 분포한다. 온전한 쑥 서식지에 전적으로 의존한다. 멸종위기종으로 서식지 단편화와 가뭄으로 위협받는 5,000개체 미만의 북미 가장 희귀한 새 중 하나다.
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.