Przevalski's Partridge vs Black-billed Capercaillie
Alectoris magna comparado com Tetrao urogalloides
Side-by-Side Comparison
| Atributo | Przevalski's Partridge | Black-billed Capercaillie |
|---|---|---|
| Nome científico | Alectoris magna | Tetrao urogalloides |
| Ordem | Galliformes | Galliformes |
| Família | Phasianidae | Phasianidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | 34,5 cm (13.6 in) | 68,2 cm (26.9 in) |
| Peso | 553,0 g (19.51 oz) | 2957,5 g (104.32 oz) |
| Dieta | Eats seeds, plant material, and invertebrates in rocky terrain of northwestern China and Central Asia. | Subsists mainly on larch needles in winter; takes berries, buds, and insects during the warmer … |
| Tamanho da postura | 7-20 | 5-10 |
| Population Trend | — | — |
Habitat Comparison
Habitats partilhados
Przevalski's Partridge only
Nenhum
Black-billed Capercaillie only
Song & Call Comparison
Przevalski's Partridge
Loud, resonant 'chuck-chuck-CHURR' calls from Chinese loess plateau and Qinghai rocky terrain; lower and slightly fuller than Chukar. Alarm is rapid harsh cackle. Pairs call in duet at dawn.
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
Przevalski's Partridge
Resident of rocky semi-arid hillsides in northwestern China (Qinghai, Gansu, Xinjiang) and adjacent Mongolia, at 1,500–3,500 m.
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
Przevalski's Partridge
Black-billed Capercaillie
How to Tell Them Apart
Przevalski's Partridge
Large partridge; grey upperparts; white face and throat with narrow black gorget; broader and more distinct chestnut and white barring on flanks than Chukar; grey breast; red bill; larger overall …
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
Przevalski's Partridge
Uma perdiz robusta da família Phasianidae, endêmica do noroeste da China e da Mongólia. A Perdiz-da-china (Alectoris magna) habita encostas rochosas e arbustivas, especialmente em regiões montanhosas áridas e semiáridas. Mede aproximadamente 37-42 cm, sendo maior que muitas outras perdizes Alectoris. Caracterizada pelo colar escuro e flancos barrados. Alimenta-se de sementes e partes vegetais. Uma espécie pouco conhecida com distribuição restrita. Classificada como Pouco Preocupante pela UICN.
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.