Ferruginous Partridge vs Daurian Partridge
Caloperdix oculeus comparado com Perdix dauurica
Side-by-Side Comparison
| Atributo | Ferruginous Partridge | Daurian Partridge |
|---|---|---|
| Nome científico | Caloperdix oculeus | Perdix dauurica |
| Ordem | Galliformes | Galliformes |
| Família | Phasianidae | Phasianidae |
| Estado de conservação | Near Threatened | Least Concern |
| Comprimento | — | — |
| Envergadura | 28,3 cm (11.1 in) | 28,8 cm (11.3 in) |
| Peso | 210,5 g (7.43 oz) | 265,0 g (9.35 oz) |
| Dieta | Eats seeds, invertebrates, and small fruits on floor of Southeast Asian lowland and hill forests. … | Feeds on grass seeds, grain, and plant material; supplements with insects and invertebrates, particularly during … |
| Tamanho da postura | 8-10 | 12-20 |
| 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.
Daurian Partridge
Similar to Grey Partridge; dry, rasping 'kerrr-ik' call slightly higher and less grating. Central Asian steppe species; alarm is a sharp 'kip-kip' series. Pairs call at dawn in open grassland.
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.
Daurian Partridge
Resident of open steppe and farmland in central Asia from Kazakhstan east through Mongolia to northeastern China and adjacent Russia.
Estado de conservação
Ferruginous Partridge
Daurian Partridge
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.
Daurian Partridge
Pale sandy-buff face and supercilium; grey-brown finely vermiculated upperparts; grey breast; white underparts with reduced or absent chestnut horseshoe patch; chestnut-barred flanks; smaller than Grey Partridge.
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.
Daurian Partridge
A small Phasianidae partridge (~265 g) of the open steppes and agricultural lands of Central Asia and northern China. Closely related to the Grey Partridge but smaller and paler. Gregarious in coveys; diet comprises grass seeds and invertebrates. Locally abundant; Least Concern.