Hill Partridge vs Dusky Grouse
Arborophila torqueola в сравнении с Dendragapus obscurus
Side-by-Side Comparison
| Характеристика | Hill Partridge | Dusky Grouse |
|---|---|---|
| Научное название | Arborophila torqueola | Dendragapus obscurus |
| Отряд | Galliformes | Galliformes |
| Семейство | Phasianidae | Phasianidae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 27,3 cm (10.7 in) | 45,3 cm (17.8 in) |
| Масса | 342,0 g (12.06 oz) | 1118,0 g (39.44 oz) |
| Питание | Forages on Himalayan forest floor for seeds, invertebrates, and small fruits. Scratches leaf litter in … | Eats conifer needles, especially fir and pine, in winter; berries, leaves, and invertebrates in summer. … |
| Размер кладки | 3-9 | 4-10 |
| 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.
Dusky Grouse
Low, deep hooting 'hoo-hoo-hoo-hoo-hoo' by males from conifer branches; ventriloquial and owl-like. Alarm is a sharp series of 'kuk-kuk' clucks. Female produces soft clucking contact notes.
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.
Dusky Grouse
Resident in the Rocky Mountains and coastal ranges of western North America from British Columbia south to New Mexico at 1,000-3,500 m.
Охранный статус
Hill Partridge
Dusky Grouse
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.
Dusky Grouse
Male dark greyish-brown overall; pale grey tail with broad grey terminal band; yellow-orange eye-comb; bare yellow-purple neck air sacs visible in display. Female mottled brown and buff with darker barring.
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.
Dusky Grouse
A large grouse (~1.1 kg) of family Phasianidae, males dark grey with yellow-orange eyecomb and inflatable violet neck sacs. Inhabits montane coniferous forests in the Rocky Mountains from British Columbia to New Mexico. Feeds on conifer needles in winter, berries and insects in summer. Exhibits elevational migration. Least Concern; common in western North American mountain forests.