Ferruginous Partridge vs Grey Peacock-Pheasant
Caloperdix oculeus comparado con Polyplectron bicalcaratum
Side-by-Side Comparison
| Atributo | Ferruginous Partridge | Grey Peacock-Pheasant |
|---|---|---|
| Nombre científico | Caloperdix oculeus | Polyplectron bicalcaratum |
| Orden | Galliformes | Galliformes |
| Familia | Phasianidae | Phasianidae |
| Estado de conservación | Near Threatened | Least Concern |
| Longitud | — | — |
| Envergadura | 28,3 cm (11.1 in) | 40,2 cm (15.8 in) |
| Peso | 210,5 g (7.43 oz) | 479,75 g (16.92 oz) |
| Dieta | Eats seeds, invertebrates, and small fruits on floor of Southeast Asian lowland and hill forests. … | Omnivorous forest floor forager; takes seeds, fruits, invertebrates, and small vertebrates in mainland SE Asia. |
| Tamaño de la puesta | 8-10 | 2-5 |
| 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.
Grey Peacock-Pheasant
Loud, penetrating 'kow-WEE' whistle; most vocal of peacock-pheasants, ringing through SE Asian forest. Male calls while displaying ocellated tail. Alarm is sharp 'kak'. Heard at dawn and dusk.
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.
Grey Peacock-Pheasant
Resident of hill and montane forest from northeastern India and Bangladesh east through Myanmar to southern China and mainland Southeast Asia.
Estado de conservación
Ferruginous Partridge
Grey Peacock-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.
Grey Peacock-Pheasant
Grey-brown with buff-white shaft streaks and dark vermiculations; large oval iridescent green and purple ocelli on wing coverts and tail; white-scaled face; yellow orbital skin. Female similar but smaller ocelli.
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.
Grey Peacock-Pheasant
The most widespread Polyplectron peacock-pheasant (~480 g), inhabiting forest understorey from northeastern India through mainland Southeast Asia. Males are grey-brown peppered with violet-green ocelli. Forages on the ground for seeds, invertebrates, and small reptiles. Tolerates secondary forest; Least Concern.