Crested Partridge vs Caucasian Snowcock
Rollulus rouloul so với Tetraogallus caucasicus
Side-by-Side Comparison
| Thuộc Tính | Crested Partridge | Caucasian Snowcock |
|---|---|---|
| Tên Khoa Học | Rollulus rouloul | Tetraogallus caucasicus |
| Bộ | Galliformes | Galliformes |
| Họ | Phasianidae | Phasianidae |
| Tình Trạng Bảo Tồn | Vulnerable | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 27,2 cm (10.7 in) | 51,4 cm (20.2 in) |
| Khối Lượng | 250,5 g (8.84 oz) | 2030,0 g (71.61 oz) |
| Chế Độ Ăn | Forages on floor of Southeast Asian lowland rainforests for seeds, fallen fruits, and invertebrates. Scratches … | Grazes on alpine herbs, seeds, and grass shoots; also eats berries and invertebrates in Caucasus … |
| Số Trứng | 4-6 | 5-8 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
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.
Caucasian Snowcock
Melodious, slightly liquid whistling 'wheee-oo-wheee' from Caucasus alpine rocky terrain; ringing and far-carrying. Flocks coordinate calls across slopes. Alarm is a rapid staccato barking 'kak-kak'.
Geographic Range & Migration
Crested Partridge
Resident in lowland and foothill rainforest of Myanmar, Thailand, Malaysia, Sumatra, and Borneo. Found below 1,500 m.
Caucasian Snowcock
Endemic to the Caucasus Mountains; resident of rocky alpine slopes, subalpine meadow, and scree above the treeline, at 2,500–4,000 m.
Tình Trạng Bảo Tồn
Crested Partridge
Caucasian Snowcock
How to Tell Them Apart
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 …
Caucasian Snowcock
Grey-brown above with buff shaft streaks; white breast and belly; grey breast band; rufous-brown flank streaks; white outer rectrices; face pattern of white cheek with dark ear patch. Sexes alike.
About These Birds
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.
Caucasian Snowcock
A large Phasianidae snowcock (~2.03 kg) endemic to the alpine zones of the Greater and Lesser Caucasus above treeline. White belly and grey back; reddish-orange lateral stripes. Forages on alpine plants, seeds, and invertebrates. Forms small winter flocks that descend slightly in heavy snow. Least Concern.