Crested Partridge vs Sharp-tailed Grouse
Rollulus rouloul مقارنةً بـ Tympanuchus phasianellus
Side-by-Side Comparison
| السمة | Crested Partridge | Sharp-tailed Grouse |
|---|---|---|
| الاسم العلمي | Rollulus rouloul | Tympanuchus phasianellus |
| الرتبة | Galliformes | Galliformes |
| الفصيلة | Phasianidae | Phasianidae |
| حالة الحفاظ | Vulnerable | Least Concern |
| الطول | — | — |
| طول الجناح | 27,2 cm (10.7 in) | 40,1 cm (15.8 in) |
| الوزن | 250,5 g (8.84 oz) | 839,1666666666666 g (29.60 oz) |
| النظام الغذائي | Forages on floor of Southeast Asian lowland rainforests for seeds, fallen fruits, and invertebrates. Scratches … | Eats grass seeds, buds, berries, and invertebrates in North American grasslands, boreal forest edges, and … |
| عدد البيض في الوضع | 4-6 | 5-17 |
| 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.
Sharp-tailed Grouse
Males on lek produce cooing 'coo-coo-coo' calls and rapid foot-stomping; tail vibrated rapidly creating buzzing sound. Alarm is a sharp cackle. Display calls carry across open grassland at dawn.
Geographic Range & Migration
Crested Partridge
Resident in lowland and foothill rainforest of Myanmar, Thailand, Malaysia, Sumatra, and Borneo. Found below 1,500 m.
Sharp-tailed Grouse
Resident across boreal and sub-Arctic North America from Alaska to Quebec. Winters south to the Great Plains and central United States.
حالة الحفاظ
Crested Partridge
Sharp-tailed Grouse
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 …
Sharp-tailed Grouse
Mottled buff, brown, and white above; underparts white with brown V-shaped marks; pointed central tail feathers white; yellow eye-comb; males display purple neck sacs. Pointed tail is key identification feature.
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.
Sharp-tailed Grouse
A medium-sized grouse (~840 g) of family Phasianidae, with spotted brown plumage and a distinctive pointed tail. Inhabits grasslands, shrubby prairies, and forest edges across northern North America. Males gather at communal leks to perform elaborate foot-stamping dances. Feeds on berries, seeds, and insects. Least Concern; one of North America's most widespread prairie grouse species.