Ferruginous Partridge vs White Eared-pheasant
Caloperdix oculeus comparado com Crossoptilon crossoptilon
Side-by-Side Comparison
| Atributo | Ferruginous Partridge | White Eared-pheasant |
|---|---|---|
| Nome científico | Caloperdix oculeus | Crossoptilon crossoptilon |
| Ordem | Galliformes | Galliformes |
| Família | Phasianidae | Phasianidae |
| Estado de conservação | Near Threatened | Least Concern |
| Comprimento | — | — |
| Envergadura | 28,3 cm (11.1 in) | 62,5 cm (24.6 in) |
| Peso | 210,5 g (7.43 oz) | 2137,5 g (75.40 oz) |
| Dieta | Eats seeds, invertebrates, and small fruits on floor of Southeast Asian lowland and hill forests. … | Forages by digging for tubers, bulbs, roots, and invertebrates; supplements with seeds and plant material … |
| Tamanho da postura | 8-10 | 4-7 |
| Population Trend | — | — |
Habitat Comparison
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.
White Eared-pheasant
Loud, raucous 'gak-gak-GAAK' crows; harsh and cackling, audible across Sichuan mountain forest. Flock calls noisy and sustained. Alarm is rapid loud honking; contact clucks are guttural and low.
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.
White Eared-pheasant
Resident of open forest, alpine scrub, and meadow in eastern Tibet and western Sichuan (China), at 3,000–4,800 m elevation.
Estado de conservação
Ferruginous Partridge
White 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.
White Eared-pheasant
Predominantly white with black crown and glossy blue-black tail; brownish flight feathers; white ear tufts; red facial skin and legs. Among the whitest of pheasants; sexes nearly identical in plumage.
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.
White Eared-pheasant
A large, social Phasianidae pheasant (~2.14 kg) of high-altitude coniferous and mixed forests in Sichuan and Tibet. Predominantly white with black cap and crimson facial skin. Groups dig for roots and bulbs with strong feet. Largely sympatric with pandas; protected in reserves. Least Concern.