Ferruginous Partridge vs Crested Partridge
Caloperdix oculeus в сравнении с Rollulus rouloul
Side-by-Side Comparison
| Характеристика | Ferruginous Partridge | Crested Partridge |
|---|---|---|
| Научное название | Caloperdix oculeus | Rollulus rouloul |
| Отряд | Galliformes | Galliformes |
| Семейство | Phasianidae | Phasianidae |
| Охранный статус | Near Threatened | Vulnerable |
| Длина | — | — |
| Размах крыльев | 28,3 cm (11.1 in) | 27,2 cm (10.7 in) |
| Масса | 210,5 g (7.43 oz) | 250,5 g (8.84 oz) |
| Питание | Eats seeds, invertebrates, and small fruits on floor of Southeast Asian lowland and hill forests. … | Forages on floor of Southeast Asian lowland rainforests for seeds, fallen fruits, and invertebrates. Scratches … |
| Размер кладки | 8-10 | 4-6 |
| 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.
Crested Partridge
High-pitched, thin whistled 'seee' repeated persistently; metallic and insect-like. Males call from forest floor, rarely seen. Alarm is an explosive low grunt followed by rapid wing beats.
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.
Crested Partridge
Resident in lowland and foothill rainforest of Myanmar, Thailand, Malaysia, Sumatra, and Borneo. Found below 1,500 m.
Охранный статус
Ferruginous Partridge
Crested 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.
Crested Partridge
Male is dark glossy green-black with vivid red-crimson erectile crest; red orbital skin; chestnut wings. Female is entirely bright emerald green with brown wings, red legs, and grey head; among …
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.
Crested Partridge
A small partridge (~250 g) of family Phasianidae, males with vivid crimson crest and iridescent green plumage. Found in lowland tropical rainforests of Southeast Asia including Thailand, Malaysia, Sumatra, and Borneo. Forages on the forest floor for fallen seeds, fruits, and invertebrates. Vulnerable; dependent on primary lowland forest, heavily impacted by deforestation and palm oil expansion.