Ferruginous Partridge vs Tibetan Eared-pheasant
Caloperdix oculeus в сравнении с Crossoptilon harmani
Side-by-Side Comparison
| Характеристика | Ferruginous Partridge | Tibetan Eared-pheasant |
|---|---|---|
| Научное название | Caloperdix oculeus | Crossoptilon harmani |
| Отряд | Galliformes | Galliformes |
| Семейство | Phasianidae | Phasianidae |
| Охранный статус | Near Threatened | Least Concern |
| Длина | — | — |
| Размах крыльев | 28,3 cm (11.1 in) | 56,4 cm (22.2 in) |
| Масса | 210,5 g (7.43 oz) | 1946,0 g (68.64 oz) |
| Питание | Eats seeds, invertebrates, and small fruits on floor of Southeast Asian lowland and hill forests. … | Digs for tubers, bulbs, roots, and invertebrates on Tibetan plateau; also eats seeds and berries. |
| Размер кладки | 8-10 | 4-11 |
| Population Trend | — | — |
Habitat Comparison
Общие среды обитания
Ferruginous Partridge only
Нет
Tibetan Eared-pheasant only
Song & Call Comparison
Ferruginous Partridge
Sharp, staccato 'krik-krik-krik' calls from lowland rainforest; often given in duet. Alarm is a loud, rapid chattering rattle; contact notes between pairs soft and clucking.
Tibetan Eared-pheasant
Loud, bugling 'GA-GA-GA' calls; raucous and crow-like resonating across Tibetan alpine meadows. Flocks maintain raucous calling. Alarm is a rapid series of loud honking notes; wing beats loud.
Geographic Range & Migration
Ferruginous Partridge
Resident in lowland rainforest of the Thai-Malay Peninsula, Sumatra, and Borneo. Found in flat or gently sloping lowland forest.
Tibetan Eared-pheasant
Endemic to alpine scrub and rhododendron thickets on the Tibetan Plateau and adjacent Himalayas in southeastern Tibet and Bhutan, at 3,000–4,500 m.
Охранный статус
Ferruginous Partridge
Tibetan Eared-pheasant
How to Tell Them Apart
Ferruginous Partridge
Rich ferruginous (deep rusty-orange) overall; upperparts black-and-rufous barred; flanks black boldly spotted white; bare red facial skin; underparts rufous-orange; one of the most vividly coloured Southeast Asian partridges.
Tibetan Eared-pheasant
Primarily whitish-grey with dark brown wings and back; black cap; white ear tufts projecting laterally; dark graduated tail with white-tipped central feathers; red facial skin. Sexes very similar.
About These Birds
Ferruginous Partridge
A small partridge (~210 g) of family Phasianidae, with rich ferruginous (rust-red) plumage and spotted black-and-white markings. Inhabits lowland and foothill rainforests in Malaysia, Sumatra, and Borneo. Secretive, foraging on the forest floor for seeds and invertebrates. Near Threatened; associated with primary and tall secondary forest, declining with ongoing logging and land conversion.
Tibetan Eared-pheasant
A large Phasianidae pheasant (~1.95 kg) inhabiting alpine shrublands and forest edges on the Tibetan Plateau's southeastern rim. Greyish plumage with distinctive ear tufts. Gregarious; flocks forage on roots, tubers, and seeds. Tolerates cold extremes. Least Concern within its restricted Himalayan range.