Przevalski's Partridge vs Udzungwa Forest-partridge
Alectoris magna в сравнении с Xenoperdix udzungwensis
Side-by-Side Comparison
| Характеристика | Przevalski's Partridge | Udzungwa Forest-partridge |
|---|---|---|
| Научное название | Alectoris magna | Xenoperdix udzungwensis |
| Отряд | Galliformes | Galliformes |
| Семейство | Phasianidae | Phasianidae |
| Охранный статус | Least Concern | Endangered |
| Длина | — | — |
| Размах крыльев | 34,5 cm (13.6 in) | 28,8 cm (11.3 in) |
| Масса | 553,0 g (19.51 oz) | 207,25 g (7.31 oz) |
| Питание | Eats seeds, plant material, and invertebrates in rocky terrain of northwestern China and Central Asia. | Forages on floor of Udzungwa Tanzanian montane forest for seeds, invertebrates, and small fruits. Critically … |
| Размер кладки | 7-20 | 3 |
| Population Trend | — | — |
Habitat Comparison
Общие среды обитания
Нет
Przevalski's Partridge only
Udzungwa Forest-partridge 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.
Udzungwa Forest-partridge
Loud, clear whistled 'wheee-oo' calls from montane forest floor; haunting and infrequently heard. Alarm is a sharp explosive 'kek'; poorly known due to rarity in Udzungwa Mountains.
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.
Udzungwa Forest-partridge
Endemic to the Udzungwa Mountains of Tanzania. Found in montane forest at 1,000-2,000 m. Very poorly known; only two specimens collected.
Охранный статус
Przevalski's Partridge
Udzungwa Forest-partridge
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 …
Udzungwa Forest-partridge
Brown above with fine black streaking and white shaft-streaks; red legs and bill; underparts paler buff-brown with dark-edged feathers creating scaled pattern; bare red facial skin around eye.
About These Birds
Przevalski's Partridge
A large Phasianidae partridge (~553 g) of rocky semi-arid terrain and loess gullies in the Gansu corridor and adjacent Yellow River basin, northern China. Closely related to Chukar but notably larger. Feeds on seeds, leaves, and invertebrates. Tolerates cold winters; forms winter coveys. Least Concern.
Udzungwa Forest-partridge
A small partridge (~205 g) of family Phasianidae, with brown-streaked plumage and red legs. Endemic to the Eastern Arc Mountains of Tanzania, restricted to Udzungwa and Rubeho mountain forests above 1,300 m. Forages on the forest floor for seeds and invertebrates. Endangered; one of Africa's rarest birds, confined to a tiny forest area threatened by agricultural encroachment and logging.