Ferruginous Partridge vs Grey Partridge
Caloperdix oculeus comparado con Perdix perdix
Side-by-Side Comparison
| Atributo | Ferruginous Partridge | Grey Partridge |
|---|---|---|
| Nombre científico | Caloperdix oculeus | Perdix perdix |
| Orden | Galliformes | Galliformes |
| Familia | Phasianidae | Phasianidae |
| Estado de conservación | Near Threatened | Least Concern |
| Longitud | — | — |
| Envergadura | 28,3 cm (11.1 in) | 30,2 cm (11.9 in) |
| Peso | 210,5 g (7.43 oz) | 402,0 g (14.18 oz) |
| Dieta | Eats seeds, invertebrates, and small fruits on floor of Southeast Asian lowland and hill forests. … | Eats seeds, leaves, and shoots of grasses and cereals; chicks rely heavily on insects and … |
| Tamaño de la puesta | 8-10 | 2-24 |
| 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 Partridge
Harsh, grating 'kier-rr-ik' call; rusty hinge-like quality audible across farmland. Alarm is a cackling 'kee-kee-kee' when flushed. Male territorial call repeated at dusk and dawn across fields.
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 Partridge
Native to farmland, hedgerows, and open grassland from Britain east through Europe to Kazakhstan; widely introduced in North America and elsewhere.
Estado de conservación
Ferruginous Partridge
Grey 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.
Grey Partridge
Grey-brown upperparts intricately vermiculated; orange-buff face and throat; grey breast; conspicuous dark chestnut horseshoe mark on lower breast of male; flanks barred chestnut and white. Sexes 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.
Grey Partridge
La perdiz pardilla (unos 400 g) es una gallinácea campestre característica de los paisajes agrícolas abiertos de Europa y Asia central. Pardo grisácea con herrumbre en la cara y el cuello, los machos tienen una mancha en herradura castaña en el pecho. Las familias —llamadas 'coveys'— permanecen unidas buena parte del otoño e invierno. Las poblaciones han colapsado en gran parte de Europa occidental por la intensificación agrícola y la pérdida de hábitat. Es una ave de caza tradicional muy …