Hill Partridge vs Black-billed Capercaillie
Arborophila torqueola comparado com Tetrao urogalloides
Side-by-Side Comparison
| Atributo | Hill Partridge | Black-billed Capercaillie |
|---|---|---|
| Nome científico | Arborophila torqueola | Tetrao urogalloides |
| Ordem | Galliformes | Galliformes |
| Família | Phasianidae | Phasianidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | 27,3 cm (10.7 in) | 68,2 cm (26.9 in) |
| Peso | 342,0 g (12.06 oz) | 2957,5 g (104.32 oz) |
| Dieta | Forages on Himalayan forest floor for seeds, invertebrates, and small fruits. Scratches leaf litter in … | Subsists mainly on larch needles in winter; takes berries, buds, and insects during the warmer … |
| Tamanho da postura | 3-9 | 5-10 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Hill Partridge
Repeated melodic whistle 'wi-WHEEEOO' rising and falling; pairs often duet. Males sing from hillside undergrowth at dawn. Alarm is a sharp, emphatic 'kek' or staccato clucking.
Black-billed Capercaillie
Similar to Western Capercaillie but generally higher-pitched; ticking phase faster, grinding phase shorter. Siberian larch forest species. Alarm is a loud bark; females give soft clucking brood calls.
Geographic Range & Migration
Hill Partridge
Resident in the Himalayas and hills of India, Nepal, Bhutan, and southern China at 1,000-3,500 m. Found in oak and rhododendron forest.
Black-billed Capercaillie
Resident of coniferous taiga in eastern Russia from the Lena River to the Pacific coast, Kamchatka, and northeastern China.
Estado de conservação
Hill Partridge
Black-billed Capercaillie
How to Tell Them Apart
Hill Partridge
Male has orange-rufous face, white-spotted black throat collar, grey breast, and chestnut flanks streaked white on dark brown back. Female has brown face with buff streaking, less vivid collar.
Black-billed Capercaillie
Male uniformly glossy blue-black with slight greenish sheen on breast; smaller white wing spots than Western Capercaillie; black bill. Female barred rufous-buff and dark brown, paler below than congener.
About These Birds
Hill Partridge
A medium-sized partridge (~340 g) of family Phasianidae, with intricate rufous, black, and white patterning and an orange-rufous head. Inhabits subtropical and montane broadleaved forests and bamboo thickets in the Himalayas from Pakistan to southwestern China. Forages on the forest floor for seeds, berries, and invertebrates. Least Concern; common in Himalayan foothills.
Black-billed Capercaillie
A very large Phasianidae grouse (~2.96 kg) of Siberian larch and pine forests east of the Yenisei River. Closely related to the Western Capercaillie but distinguished by an all-black bill. Lekking males fan tail feathers dramatically. Feeds on needles and buds; Least Concern.