Ferruginous Partridge vs Hainan Peacock-Pheasant
Caloperdix oculeus comparado com Polyplectron katsumatae
Side-by-Side Comparison
| Atributo | Ferruginous Partridge | Hainan Peacock-Pheasant |
|---|---|---|
| Nome científico | Caloperdix oculeus | Polyplectron katsumatae |
| Ordem | Galliformes | Galliformes |
| Família | Phasianidae | Phasianidae |
| Estado de conservação | Near Threatened | Endangered |
| Comprimento | — | — |
| Envergadura | 28,3 cm (11.1 in) | 32,4 cm (12.8 in) |
| Peso | 210,5 g (7.43 oz) | 554,6 g (19.56 oz) |
| Dieta | Eats seeds, invertebrates, and small fruits on floor of Southeast Asian lowland and hill forests. … | Ground forager; eats seeds, fruits, and invertebrates in Hainan Island tropical forest. |
| Tamanho da postura | 8-10 | 1-2 |
| 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.
Hainan Peacock-Pheasant
Thin whistled 'kwi-kwi' display calls; Hainan endemic, one of world's rarest pheasants. Alarm is a sharp explosive 'kak'. Contact presumably low clucking. Very poorly documented vocally due to rarity.
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.
Hainan Peacock-Pheasant
Endemic to Hainan Island, China; resident of tropical broadleaf forest; critically endangered.
Estado de conservação
Ferruginous Partridge
Hainan 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.
Hainan Peacock-Pheasant
Male brownish-black with blue-green iridescent ocelli on wings and tail; pinkish orbital skin; whitish-buff facial scaling. Female brown with small green ocelli; both sexes noticeably smaller than mainland relatives.
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.
Hainan Peacock-Pheasant
A small, critically threatened Phasianidae pheasant (~555 g) endemic to the tropical forests of Hainan Island, China. Males bear iridescent blue-green ocelli on a brown ground. Very few individuals remain in severely fragmented habitats. Feeds on seeds and invertebrates. Endangered from near-total loss of original forest cover.