White-tailed Ptarmigan vs Crested Partridge
Lagopus leucura 비교 대상 Rollulus rouloul
Side-by-Side Comparison
| 속성 | White-tailed Ptarmigan | Crested Partridge |
|---|---|---|
| 학명 | Lagopus leucura | Rollulus rouloul |
| 목 | Galliformes | Galliformes |
| 과 | Phasianidae | Phasianidae |
| 보전 상태 | Least Concern | Vulnerable |
| 체장 | — | — |
| 날개 폭 | 34.6 cm (13.6 in) | 27.2 cm (10.7 in) |
| 체중 | 361.8 g (12.76 oz) | 250.5 g (8.84 oz) |
| 식성 | Eats alpine willow and heather buds and leaves; switches to berries and insects in summer. … | Forages on floor of Southeast Asian lowland rainforests for seeds, fallen fruits, and invertebrates. Scratches … |
| 산란 수 | 2-9 | 4-6 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
White-tailed Ptarmigan
Soft, chicken-like clucking 'ko-ko-ko'; quiet relative to other ptarmigan. Alarm is a sharp 'kek' series. Males give low, croaking calls on alpine tundra at dawn. Flock contact is muted burbling.
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
White-tailed Ptarmigan
Breeds in alpine tundra from Alaska south through the Rockies to New Mexico. Largely resident, descending to lower elevations in winter.
Crested Partridge
Resident in lowland and foothill rainforest of Myanmar, Thailand, Malaysia, Sumatra, and Borneo. Found below 1,500 m.
보전 상태
White-tailed Ptarmigan
Crested Partridge
How to Tell Them Apart
White-tailed Ptarmigan
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
White-tailed Ptarmigan
흰꼬리뇨조는 북아메리카 록키 산맥 고산 지대에 서식하는 뇌조 종류이다. 일 년 내내 하얀 꼬리를 유지하며 겨울에는 전체가 흰색으로 변한다. 고산의 탁 트인 바위 지대와 알파인 초원에서 식물 새싹과 열매를 먹는다.
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.