Przevalski's Partridge vs White-tailed Ptarmigan
Alectoris magna comparado com Lagopus leucura
Side-by-Side Comparison
| Atributo | Przevalski's Partridge | White-tailed Ptarmigan |
|---|---|---|
| Nome científico | Alectoris magna | Lagopus leucura |
| Ordem | Galliformes | Galliformes |
| Família | Phasianidae | Phasianidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | 34,5 cm (13.6 in) | 34,6 cm (13.6 in) |
| Peso | 553,0 g (19.51 oz) | 361,8 g (12.76 oz) |
| Dieta | Eats seeds, plant material, and invertebrates in rocky terrain of northwestern China and Central Asia. | Eats alpine willow and heather buds and leaves; switches to berries and insects in summer. … |
| Tamanho da postura | 7-20 | 2-9 |
| Population Trend | — | — |
Habitat Comparison
Habitats partilhados
Przevalski's Partridge only
Nenhum
White-tailed Ptarmigan only
Nenhum
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.
White-tailed Ptarmigan
Soft, chicken-like clucking 'ko-ko-ko'; quiet relative to other ptarmigan. Alarm is a sharp 'kek' series. Males give low, croaking calls on alpine tundra at dawn. Flock contact is muted burbling.
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.
White-tailed Ptarmigan
Breeds in alpine tundra from Alaska south through the Rockies to New Mexico. Largely resident, descending to lower elevations in winter.
Estado de conservação
Przevalski's Partridge
White-tailed Ptarmigan
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 …
White-tailed Ptarmigan
Winter: entirely white; summer: back and breast mottled brown-and-white; tail always white, unlike other ptarmigans; red eye-comb; feathered feet white year-round. All-white tail in all seasons is unique.
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.
White-tailed Ptarmigan
A perdiz-branca-de-cauda-branca é uma perdiz de montanha norte-americana que permanece branca por mais tempo no inverno, encontrada nas Montanhas Rochosas e outras cadeias montanhosas ocidentais.