Crested Partridge vs Western Capercaillie
Rollulus rouloul comparado con Tetrao urogallus
Side-by-Side Comparison
| Atributo | Crested Partridge | Western Capercaillie |
|---|---|---|
| Nombre científico | Rollulus rouloul | Tetrao urogallus |
| Orden | Galliformes | Galliformes |
| Familia | Phasianidae | Phasianidae |
| Estado de conservación | Vulnerable | Least Concern |
| Longitud | — | — |
| Envergadura | 27,2 cm (10.7 in) | 69,5 cm (27.4 in) |
| Peso | 250,5 g (8.84 oz) | 3072,5 g (108.38 oz) |
| Dieta | Forages on floor of Southeast Asian lowland rainforests for seeds, fallen fruits, and invertebrates. Scratches … | Relies on pine and other conifer needles in winter; forages for berries, shoots, herbs, and … |
| Tamaño de la puesta | 4-6 | 4-12 |
| 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.
Western Capercaillie
Extraordinary lek song: four phases — ticking, popping, cork-pulling, then grinding 'shhhhh'; lasts 6–8 seconds. Largest grouse song; audible 500+ m in European forest. Alarm is a loud bark.
Geographic Range & Migration
Crested Partridge
Resident in lowland and foothill rainforest of Myanmar, Thailand, Malaysia, Sumatra, and Borneo. Found below 1,500 m.
Western Capercaillie
Resident of mature coniferous and mixed forests from Scotland and Scandinavia east through Russia to Siberia; relict populations in central Europe.
Estado de conservación
Crested Partridge
Western Capercaillie
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 …
Western Capercaillie
Strongly dimorphic. Male dark slate-blue with iridescent bottle-green gorget, brown wings, and red wattle over eye; fan-shaped tail. Female cryptically barred ochre, russet, and black with orange breast patch.
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.
Western Capercaillie
El urogallo (hasta 4 kg el macho) es el mayor de los gallináceos europeos y uno de los más amenazados. El macho negro en la exhibición nupcial es incapaz de ver y oír por unos instantes mientras 'canta' —por lo que los cazadores furtivos se acercaban en estos momentos—. Habita bosques de coníferas viejos con abundante sotobosque de arándanos. Las poblaciones han colapsado por la fragmentación y la pérdida de bosques viejos, la perturbación turística y la depredación potenciada por …